Most Common Car Issues

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In-Line
Make
LAND ROVER

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MOST COMMON PROBLEMS

LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 X-Dynamic SE is a versatile and robust multipurpose passenger vehicle, equipped with a 3.0L inline-six engine producing 395 hp. This all-wheel-drive SUV ensures safety with standard features like Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. It combines luxury and technology with its mild hybrid system and modern conveniences such as keyless ignition and an automatic transmission with eight speeds. Built in Slovakia by Jaguar Land Rover Limited, the Defender offers a well-rounded package for both off-road adventures and urban driving.

Spec:

Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Oil leaks
Due to the in-line configuration and potential gasket issues, oil leaks can commonly occur, leading to reduced performance and potential engine damage if not addressed promptly.
Overheating
The AJ120 engine, while powerful, may experience cooling system inefficiencies, particularly if the radiator or coolant passages are blocked or if the coolant level is low.
Timing chain problems
The 6-cylinder AJ120 engine may experience timing chain wear or stretching, which can lead to poor engine performance or even catastrophic engine failure if the chain skips a tooth or breaks.
Turbocharger issues
If the Defender model with the AJ120 engine is equipped with a turbocharger, there can be issues with turbo lag, oil supply, or turbo failure due to high stress and heat.
Fuel injector problems
The in-line 6-cylinder configuration may face fuel injector issues, such as clogging or leakage, which can affect engine performance and fuel efficiency.
Sensor failures
Modern engines like the AJ120 are equipped with numerous sensors. Failures in oxygen sensors, mass airflow sensors, or crankshaft position sensors can lead to poor engine performance and diagnostic challenges.
Carbon buildup
Direct injection engines like the AJ120 can suffer from carbon buildup on intake valves, leading to reduced airflow and performance over time.
Exhaust gas recirculation (egr) valve issues
Problems with the EGR valve can lead to poor emissions performance and engine knocking, affecting the overall engine efficiency and compliance with emission standards.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 S is a robust multipurpose passenger vehicle equipped with a 2.0-liter AJ120 engine delivering 296 hp. It boasts a comprehensive suite of safety features, including standard Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. This AWD SUV provides a premium driving experience with an 8-speed automatic transmission and advanced driver assistance systems like Pedestrian Automatic Emergency Braking and Crash Imminent Braking. Built in Nitra, Slovakia, it combines luxury and capability with features such as LED headlamps, keyless ignition, and a standard backup camera.

Spec:

Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
4

Problems:

Overheating
The AJ120 engine, especially in an in-line configuration, can sometimes suffer from overheating due to insufficient cooling, leading to potential engine damage.
Timing chain issues
The timing chain in some AJ120 engines has been known to stretch or fail prematurely, causing timing issues and potentially severe engine damage.
Turbocharger failure
If the Defender model equipped with the AJ120 engine has a turbocharger, it can be prone to failures, which can lead to a loss of power and increased emissions.
Oil leaks
The AJ120 engine may develop oil leaks around the valve cover gasket or oil pan, which can lead to lower oil levels and potential engine damage if not addressed.
Injector problems
Fuel injectors in the AJ120 engine can become clogged or fail, leading to rough idling, poor fuel economy, and reduced engine performance.
Carbon build-up
Direct-injection engines like the AJ120 can suffer from carbon build-up on the intake valves, which can cause misfires and reduced performance over time.
Sensor failures
Various sensors in the AJ120 engine, such as the oxygen sensor or mass air flow sensor, can fail and lead to performance issues or increased emissions.
LAND ROVER Range Rover Evoque 2017

The 2017 Land Rover Range Rover Evoque HSE Dynamic is a convertible multipurpose passenger vehicle featuring a 2.0L turbocharged engine with 240 hp. It offers seating for five, a 9-speed automatic transmission, and a top speed of 135 mph. Standard safety features include Dynamic Brake Support, ABS, ESC, and multiple airbags. Optional features include Forward Collision Warning, Adaptive Cruise Control, and Lane Keeping Assistance. Starting at $54,200, it provides a blend of luxury and performance.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
240
Engine Configuration
In-Line
Engine Model
GTDI LEV3 SULEV30
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) malfunction
Dynamic Brake Support (DBS) may fail to engage properly, leading to reduced braking performance in emergency situations.
Turbocharger issues
The GTDI (Gasoline Turbocharged Direct Injection) engine may experience turbocharger problems such as failure or reduced efficiency, leading to loss of power and increased fuel consumption.
Oil leaks
In-Line 4-cylinder engines like the one in the Range Rover Evoque are prone to oil leaks, which can result in reduced engine performance and potential engine damage.
Engine misfires
The 4-cylinder configuration might experience engine misfires due to issues such as faulty spark plugs, ignition coils, or fuel injectors.
Cooling system problems
The engine may have issues with its cooling system, such as radiator or water pump failures, leading to overheating.
Timing chain wear
The GTDI engine may have issues with timing chain wear, which can cause poor engine performance and potential engine damage if not addressed.
Carbon build-up
Direct injection engines like the GTDI can suffer from carbon build-up on intake valves, leading to reduced engine efficiency and performance.
Electronic throttle control issues
There might be issues with the electronic throttle control system, resulting in poor throttle response or unintended acceleration/deceleration.
Fuel system problems
The engine might experience fuel system issues such as clogged fuel filters or failing fuel pumps, leading to poor performance and starting difficulties.
Exhaust gas recirculation (egr) valve problems
The EGR valve might become clogged or fail, leading to increased emissions and decreased engine performance.
LAND ROVER Range Rover Sport 2023

The 2023 Range Rover Sport P400 Dynamic SE is a versatile, luxury SUV equipped with a 3.0L inline-six AJ20P6 engine producing 395 hp, featuring a mild hybrid electric system. It boasts advanced safety technologies such as Dynamic Brake Support, Lane Departure Warning, and Forward Collision Warning, along with amenities like adaptive cruise control, keyless ignition, and a comprehensive suite of airbags. The vehicle is built in Solihull, UK, by Jaguar Land Rover Limited, and offers all-wheel drive with an 8-speed automatic transmission.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ20P6
Engine Number of Cylinders
6

Problems:

Dynamic brake support (dbs) malfunction
The DBS system might fail to activate during emergency braking situations, potentially increasing stopping distances.
Engine overheating
Given the high power output (395 hp), the engine may be prone to overheating if the cooling system is inadequate or if there are issues with the radiator or coolant levels.
Turbocharger issues
In-Line 6-cylinder engines, especially high-performance ones like the AJ20P6, can experience turbocharger failures, leading to reduced power and efficiency.
Oil leaks
The AJ20P6 engine might develop oil leaks over time, particularly around the valve cover gasket or oil pan, which can lead to engine damage if not addressed.
Timing chain problems
In-Line 6-cylinder engines can suffer from timing chain issues, such as stretching or failure, which can result in engine misfires or complete failure.
Fuel system problems
High-performance engines often face fuel injector or fuel pump issues, which can lead to poor engine performance or stalling.
Electronic control unit (ecu) failures
Modern engines rely heavily on ECUs, and any failure in this component can lead to various engine management issues, including poor performance and increased emissions.
Exhaust system corrosion
Over time, the exhaust system components, including the catalytic converter and muffler, can corrode, leading to increased emissions and noise.
Sensor failures
Sensors such as the oxygen sensor, mass airflow sensor, or knock sensor can fail, leading to incorrect fuel-air mixtures and reduced engine performance.
Transmission issues
Although not a direct engine problem, the high power output of the AJ20P6 engine can stress the transmission, leading to potential failures or issues with shifting.
LAND ROVER Defender 2021

The 2021 Land Rover Defender 110 Standard is a versatile 5-seater SUV, featuring a robust 2.0L AJ120 i4 engine with 296 hp, and an 8-speed automatic transmission. Equipped with AWD, it offers top-tier safety technologies like Dynamic Brake Support, Lane Departure Warning, and Blind Spot Intervention. It also includes modern conveniences such as keyless ignition, a backup camera, and LED headlamps. Built in Nitra, Slovakia, this SUV combines luxury, safety, and performance for a dynamic driving experience.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120 i4
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) malfunction
The DBS system might not engage properly, leading to reduced braking efficiency in emergency situations.
Turbocharger failure
The turbocharger in the AJ120 i4 engine could fail prematurely, impacting performance and leading to costly repairs.
Fuel injector issues
The fuel injectors may become clogged or fail, causing poor engine performance and reduced fuel efficiency.
Timing chain problems
The timing chain might stretch or wear out over time, leading to engine misfires or potential engine damage if not addressed.
Oil leaks
The AJ120 i4 engine may develop oil leaks from various seals and gaskets, which can lead to reduced oil levels and potential engine damage.
Cooling system failure
The cooling system might develop issues such as radiator leaks or thermostat failures, leading to engine overheating.
Electronic control unit (ecu) faults
The ECU could experience software glitches or hardware failures, affecting various engine management functions.
Exhaust gas recirculation (egr) valve failure
The EGR valve might get clogged or fail, leading to increased emissions and reduced engine performance.
Crankshaft position sensor failure
This sensor might malfunction, causing the engine to stall or not start at all.
LAND ROVER Defender 2020

The 2020 Land Rover 110 X is a versatile multipurpose passenger vehicle that seats seven and is powered by a 3.0L AJ120 i6 engine delivering 395 hp. With a robust suite of safety features including Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and Pedestrian Automatic Emergency Braking, it ensures a secure ride. The vehicle boasts an 8-speed automatic transmission, all-wheel drive, and a mild hybrid electric system. Its luxurious base price of $80,900 reflects its premium build and comprehensive features.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120 i6
Engine Number of Cylinders
6

Problems:

Dynamic brake support malfunction
The Dynamic Brake Support system may fail to activate or deactivate properly, leading to potential safety issues.
Excessive engine noise
The AJ120 i6 engine might produce excessive noise due to mechanical issues or improper maintenance.
Oil leaks
The in-line 6-cylinder engine can develop oil leaks, especially around gaskets and seals, which could lead to engine damage if not addressed.
Turbocharger failure
If equipped with a turbocharger, the engine may experience turbocharger failure due to wear and tear or lack of maintenance.
Cooling system problems
The engine may overheat due to issues with the cooling system, such as a failing water pump, radiator, or thermostat.
Fuel system issues
Problems with the fuel injectors or fuel pump can lead to poor engine performance or starting issues.
Timing chain wear
The timing chain in the AJ120 i6 engine can wear out over time, potentially leading to timing issues and engine damage.
Electrical problems
The engine's electrical components, such as sensors and wiring, might fail, leading to various engine performance issues.
LAND ROVER Defender 2021

The 2021 Land Rover Defender 110 S is a robust and well-equipped all-wheel-drive SUV. It boasts a 2.0L AJ120 i4 engine producing 296 hp, paired with an 8-speed automatic transmission. Safety features include Dynamic Brake Support, Lane Departure Warning, and Blind Spot Warning, among others. With seating for five and modern conveniences like keyless ignition and a backup camera, this vehicle is designed for both performance and comfort.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120 i4
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) malfunction
The DBS system might not engage properly, leading to reduced braking efficiency in emergency situations.
Turbocharger failure
The turbocharger in the AJ120 i4 engine could fail prematurely, impacting performance and leading to costly repairs.
Fuel injector issues
The fuel injectors may become clogged or fail, causing poor engine performance and reduced fuel efficiency.
Timing chain problems
The timing chain might stretch or wear out over time, leading to engine misfires or potential engine damage if not addressed.
Oil leaks
The AJ120 i4 engine may develop oil leaks from various seals and gaskets, which can lead to reduced oil levels and potential engine damage.
Cooling system failure
The cooling system might develop issues such as radiator leaks or thermostat failures, leading to engine overheating.
Electronic control unit (ecu) faults
The ECU could experience software glitches or hardware failures, affecting various engine management functions.
Exhaust gas recirculation (egr) valve failure
The EGR valve might get clogged or fail, leading to increased emissions and reduced engine performance.
Crankshaft position sensor failure
This sensor might malfunction, causing the engine to stall or not start at all.
LAND ROVER Defender 2021

The 2021 Land Rover Defender is a versatile SUV with a 2.0L AJ120 i4 engine delivering 296 hp. It seats 5 and comes with a plethora of safety features including Dynamic Brake Support, Lane Departure Warning, and Blind Spot Warning. With an 8-speed automatic transmission and All-Wheel Drive, it's built for both performance and safety. Manufactured in Nitra, Slovakia, this vehicle ensures a secure and dynamic driving experience.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120 i4
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) malfunction
The DBS system might not engage properly, leading to reduced braking efficiency in emergency situations.
Turbocharger failure
The turbocharger in the AJ120 i4 engine could fail prematurely, impacting performance and leading to costly repairs.
Fuel injector issues
The fuel injectors may become clogged or fail, causing poor engine performance and reduced fuel efficiency.
Timing chain problems
The timing chain might stretch or wear out over time, leading to engine misfires or potential engine damage if not addressed.
Oil leaks
The AJ120 i4 engine may develop oil leaks from various seals and gaskets, which can lead to reduced oil levels and potential engine damage.
Cooling system failure
The cooling system might develop issues such as radiator leaks or thermostat failures, leading to engine overheating.
Electronic control unit (ecu) faults
The ECU could experience software glitches or hardware failures, affecting various engine management functions.
Exhaust gas recirculation (egr) valve failure
The EGR valve might get clogged or fail, leading to increased emissions and reduced engine performance.
Crankshaft position sensor failure
This sensor might malfunction, causing the engine to stall or not start at all.
LAND ROVER Defender 2023

The 2023 Land Rover Defender 90 X-Dynamic SE is a powerhouse with its 3.0L AJ120 engine delivering 395 hp. This AWD SUV boasts advanced safety features like Dynamic Brake Support, Lane Departure Warning, and Blind Spot Intervention. It integrates modern tech such as Adaptive Driving Beam and a backup camera, ensuring both performance and safety. With a mild hybrid system and a robust design, it's ready for any adventure.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Engine misfire
An engine misfire can occur due to issues with the ignition system, fuel system, or engine compression, leading to poor engine performance.
Turbocharger failure
Turbocharger problems can result in a loss of power and efficiency, often caused by oil contamination, wear and tear, or foreign objects damaging the turbine.
Oil leaks
Oil leaks can stem from various points in the engine, such as gaskets, seals, or oil pan, leading to oil loss and potential engine damage.
Overheating
Overheating issues can arise from coolant leaks, a faulty thermostat, a failing water pump, or a clogged radiator, potentially causing severe engine damage.
Timing chain/belt problems
A worn or broken timing chain/belt can lead to improper engine timing, causing poor performance or even engine damage.
Fuel injector issues
Faulty fuel injectors can result in poor fuel delivery, leading to reduced engine performance, increased emissions, and potential engine damage.
Sensor failures
Malfunctioning sensors, such as the oxygen sensor or mass airflow sensor, can cause incorrect air-fuel mixture, leading to poor engine performance and increased emissions.
Dpf (diesel particulate filter) clogging
For diesel engines, the DPF can become clogged, causing increased exhaust backpressure, reduced performance, and potential engine damage.
Exhaust gas recirculation (egr) valve issues
A malfunctioning EGR valve can cause poor engine performance, increased emissions, and potential engine damage due to improper exhaust gas recirculation.
LAND ROVER Defender 2020

The 2020 Land Rover Defender 110 S is a versatile multipurpose passenger vehicle (MPV) with a robust 2.0L AJ120 i4 engine delivering 296 hp. It boasts advanced safety features like Dynamic Brake Support (DBS), Lane Departure Warning (LDW), and Pedestrian Automatic Emergency Braking (PAEB) as standard. With seating for six, 19-inch wheels, and a base price of $53,350, it provides a premium driving experience. Optional features include Adaptive Driving Beam (ADB) and Adaptive Cruise Control (ACC).

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120 i4
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) malfunction
The DBS system might fail to engage properly, which can result in reduced braking assistance during emergency stops.
Engine overheating
The AJ120 i4 engine could experience overheating issues due to potential coolant leaks or a failing cooling system.
Turbocharger problems
The engine might suffer from turbocharger malfunctions, such as boost pressure issues or turbo lag, affecting performance.
Oil leaks
The engine may develop oil leaks from seals or gaskets, leading to potential engine damage if not addressed promptly.
Timing chain wear
Over time, the timing chain in the AJ120 i4 engine could wear out, leading to noisy operation or, in severe cases, engine failure.
Fuel injector issues
The fuel injectors may become clogged or fail, causing misfires, poor fuel economy, and reduced engine performance.
Electrical problems
The 2020 LAND ROVER Defender might experience electrical issues affecting various engine sensors and control modules.
Dpf (diesel particulate filter) blockage
For diesel variants, the DPF can become blocked, causing reduced engine performance and increased emissions.
Egr (exhaust gas recirculation) valve failure
The EGR valve might malfunction, leading to increased emissions and poor engine performance.
LAND ROVER Discovery Sport 2019

The 2019 Land Rover Discovery Sport HSE/Landmark Edition is a versatile MPV with a 2.0L AJ20P engine producing 237 hp. It features a range of safety options like Dynamic Brake Support, ABS, and multiple airbags across all rows. With a top speed of 124 mph, it offers optional advanced tech such as Adaptive Cruise Control, Blind Spot Warning, and Lane Keeping Assistance. Priced at $45,000, it combines luxury with robust performance.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
237
Engine Configuration
In-Line
Engine Model
AJ20P
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) issues
Although DBS is a useful safety feature, it can sometimes malfunction, causing unexpected braking or failing to activate when needed.
Turbocharger problems
The in-line 4-cylinder engines, especially those with higher power outputs, can experience turbocharger wear and failure, leading to a loss of power and increased emissions.
Timing chain wear
The AJ20P engine may suffer from timing chain issues, including excessive wear or stretching, which can cause engine misfires and potential engine damage if not addressed.
Cooling system failures
The engine cooling system can develop leaks or blockages, leading to overheating issues that can cause significant engine damage if not promptly repaired.
Oil consumption
Some owners report excessive oil consumption in the AJ20P engine, which requires frequent top-ups and may indicate underlying engine wear or seal problems.
Software/electronics malfunctions
The advanced electronic systems in the 2019 LAND ROVER Discovery Sport, including the engine management system, can experience software glitches or sensor failures, leading to various engine performance issues.
Fuel injector problems
The fuel injectors in the AJ20P engine can become clogged or fail, resulting in poor engine performance, misfires, and decreased fuel efficiency.
LAND ROVER Defender 2021

The 2021 Land Rover Defender 110 SE is a versatile and robust all-wheel-drive SUV featuring a 395-hp AJ120 i6 engine with a 3.0L displacement and mild hybrid electric capabilities. Safety is paramount with standard features such as Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and Blind Spot Intervention. The vehicle comfortably seats five across two rows and includes advanced amenities like a backup camera, keyless ignition, and electronic stability control. Manufactured in Nitra, Slovakia, this model emphasizes both performance and luxury.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120 i6
Engine Number of Cylinders
6

Problems:

Dynamic brake support (dbs) malfunction
DBS is designed to assist in emergency braking situations. If it malfunctions, it can result in reduced braking efficiency and longer stopping distances.
Engine overheating
The AJ120 i6 engine configuration, especially with 395 hp, may be prone to overheating if not properly maintained, leading to potential engine damage.
Cylinder misfire
With 6 cylinders, if one misfires, it can cause rough idling, reduced power, and increased fuel consumption.
Turbocharger issues
High-performance engines like the AJ120 i6 often use turbochargers. Failure in the turbocharger can lead to a significant loss of power and performance.
Oil leaks
In-line 6 engines are sometimes prone to oil leaks, which can cause engine damage if not addressed promptly.
Timing chain problems
Timing chain issues can lead to poor engine performance or even engine failure if the chain breaks.
Fuel system malfunctions
Issues with fuel injectors or fuel pumps can lead to poor engine performance, stalling, or failure to start.
Electrical problems
Modern engines with advanced electronic control units (ECUs) can face various electrical issues, affecting engine performance and reliability.
LAND ROVER Defender 2020

The 2020 Land Rover 110 X is a versatile and luxurious multipurpose passenger vehicle (MPV) designed for both comfort and safety. Equipped with a powerful 3.0L AJ120 i6 engine that delivers 395 horsepower, it features standard all-wheel drive, Dynamic Brake Support (DBS), and a host of advanced safety technologies such as Lane Departure Warning (LDW), Forward Collision Warning (FCW), and Adaptive Cruise Control (ACC). This 7-seater vehicle also includes modern conveniences like a backup camera, Blind Spot Warning (BSW), and 20-inch wheels. Priced at $80,900, it offers a premium driving experience with a focus on both performance and passenger protection.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120 i6
Engine Number of Cylinders
6

Problems:

Dynamic brake support malfunction
The Dynamic Brake Support system may fail to activate or deactivate properly, leading to potential safety issues.
Excessive engine noise
The AJ120 i6 engine might produce excessive noise due to mechanical issues or improper maintenance.
Oil leaks
The in-line 6-cylinder engine can develop oil leaks, especially around gaskets and seals, which could lead to engine damage if not addressed.
Turbocharger failure
If equipped with a turbocharger, the engine may experience turbocharger failure due to wear and tear or lack of maintenance.
Cooling system problems
The engine may overheat due to issues with the cooling system, such as a failing water pump, radiator, or thermostat.
Fuel system issues
Problems with the fuel injectors or fuel pump can lead to poor engine performance or starting issues.
Timing chain wear
The timing chain in the AJ120 i6 engine can wear out over time, potentially leading to timing issues and engine damage.
Electrical problems
The engine's electrical components, such as sensors and wiring, might fail, leading to various engine performance issues.
LAND ROVER Defender 2021

The 2021 Land Rover Defender 110 X-Dynamic SE is an advanced multipurpose passenger vehicle featuring a 3.0L AJ120 i6 engine with 395 hp and mild hybrid electric vehicle technology. It offers a comprehensive suite of safety features including Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. With a seating capacity for five and all-wheel drive, this SUV ensures both comfort and performance. Built in Nitra, Slovakia, it is equipped with modern amenities such as keyless ignition, LED headlamps, and a backup camera.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120 i6
Engine Number of Cylinders
6

Problems:

Dynamic brake support (dbs) malfunction
DBS is designed to assist in emergency braking situations. If it malfunctions, it can result in reduced braking efficiency and longer stopping distances.
Engine overheating
The AJ120 i6 engine configuration, especially with 395 hp, may be prone to overheating if not properly maintained, leading to potential engine damage.
Cylinder misfire
With 6 cylinders, if one misfires, it can cause rough idling, reduced power, and increased fuel consumption.
Turbocharger issues
High-performance engines like the AJ120 i6 often use turbochargers. Failure in the turbocharger can lead to a significant loss of power and performance.
Oil leaks
In-line 6 engines are sometimes prone to oil leaks, which can cause engine damage if not addressed promptly.
Timing chain problems
Timing chain issues can lead to poor engine performance or even engine failure if the chain breaks.
Fuel system malfunctions
Issues with fuel injectors or fuel pumps can lead to poor engine performance, stalling, or failure to start.
Electrical problems
Modern engines with advanced electronic control units (ECUs) can face various electrical issues, affecting engine performance and reliability.
LAND ROVER Defender 2023

The 2023 Land Rover Defender 110 SE is a versatile and robust SUV with a 3.0L AJ120 inline-six engine producing 395 hp. It features a comprehensive suite of safety technologies, including Dynamic Brake Support, Lane Departure Warning, and Forward Collision Warning. The vehicle also incorporates advanced driver assistance systems such as Adaptive Driving Beam and Blind Spot Warning. With a mild hybrid electric system and standard AWD, this model ensures both efficiency and performance.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Engine misfire
An engine misfire can occur due to issues with the ignition system, fuel system, or engine compression, leading to poor engine performance.
Turbocharger failure
Turbocharger problems can result in a loss of power and efficiency, often caused by oil contamination, wear and tear, or foreign objects damaging the turbine.
Oil leaks
Oil leaks can stem from various points in the engine, such as gaskets, seals, or oil pan, leading to oil loss and potential engine damage.
Overheating
Overheating issues can arise from coolant leaks, a faulty thermostat, a failing water pump, or a clogged radiator, potentially causing severe engine damage.
Timing chain/belt problems
A worn or broken timing chain/belt can lead to improper engine timing, causing poor performance or even engine damage.
Fuel injector issues
Faulty fuel injectors can result in poor fuel delivery, leading to reduced engine performance, increased emissions, and potential engine damage.
Sensor failures
Malfunctioning sensors, such as the oxygen sensor or mass airflow sensor, can cause incorrect air-fuel mixture, leading to poor engine performance and increased emissions.
Dpf (diesel particulate filter) clogging
For diesel engines, the DPF can become clogged, causing increased exhaust backpressure, reduced performance, and potential engine damage.
Exhaust gas recirculation (egr) valve issues
A malfunctioning EGR valve can cause poor engine performance, increased emissions, and potential engine damage due to improper exhaust gas recirculation.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 X-Dynamic SE is a versatile SUV with a 3.0L inline-six engine producing 395 hp. It features advanced safety technologies like Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. This AWD vehicle also boasts a mild hybrid electric system and an 8-speed automatic transmission. Built in Nitra, Slovakia, it emphasizes both performance and safety with standard features such as LED headlamps and multiple airbag locations across all three rows.

Spec:

Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Oil leaks
Due to the in-line configuration and potential gasket issues, oil leaks can commonly occur, leading to reduced performance and potential engine damage if not addressed promptly.
Overheating
The AJ120 engine, while powerful, may experience cooling system inefficiencies, particularly if the radiator or coolant passages are blocked or if the coolant level is low.
Timing chain problems
The 6-cylinder AJ120 engine may experience timing chain wear or stretching, which can lead to poor engine performance or even catastrophic engine failure if the chain skips a tooth or breaks.
Turbocharger issues
If the Defender model with the AJ120 engine is equipped with a turbocharger, there can be issues with turbo lag, oil supply, or turbo failure due to high stress and heat.
Fuel injector problems
The in-line 6-cylinder configuration may face fuel injector issues, such as clogging or leakage, which can affect engine performance and fuel efficiency.
Sensor failures
Modern engines like the AJ120 are equipped with numerous sensors. Failures in oxygen sensors, mass airflow sensors, or crankshaft position sensors can lead to poor engine performance and diagnostic challenges.
Carbon buildup
Direct injection engines like the AJ120 can suffer from carbon buildup on intake valves, leading to reduced airflow and performance over time.
Exhaust gas recirculation (egr) valve issues
Problems with the EGR valve can lead to poor emissions performance and engine knocking, affecting the overall engine efficiency and compliance with emission standards.
LAND ROVER Defender 2020

The 2020 Land Rover 110 SE is a versatile multipurpose passenger vehicle (MPV) with a robust 3.0-liter in-line six-cylinder engine delivering 395 hp. It boasts advanced safety features including Dynamic Brake Support (DBS), Lane Departure Warning (LDW), and Forward Collision Warning (FCW). With seating for six and standard all-wheel drive (AWD), it ensures both comfort and control. The vehicle comes with a host of standard features such as a backup camera, blind spot warning, and LED headlamps, all starting at a base price of $62,250.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120 i6 MHEV
Engine Number of Cylinders
6

Problems:

Dynamic brake support (dbs)
Although generally reliable, the DBS system can sometimes malfunction due to sensor issues or software glitches, leading to unexpected braking behavior or failure to activate when needed.
Engine overheating
The in-line 6-cylinder AJ120 i6 MHEV engine can be prone to overheating if the cooling system is not properly maintained. This can be due to coolant leaks, faulty thermostats, or radiator issues.
Turbocharger problems
Turbochargers in these engines can sometimes fail or underperform, leading to loss of power, increased fuel consumption, and excessive smoke from the exhaust.
Timing chain issues
The timing chain in the AJ120 i6 MHEV engine can stretch or wear out over time, causing the engine to run poorly and potentially leading to more serious damage if not addressed.
Oil leaks
Common in many Land Rover models, oil leaks can occur around the valve cover gasket, oil pan gasket, or other seals, leading to a drop in oil levels and potential engine damage.
Electrical issues
The 2020 Land Rover Defender's electrical system, including the DBS, can sometimes experience faults, leading to problems with starting, dashboard warnings, or erratic behavior of electronic components.
Fuel system problems
Issues with the fuel injectors or fuel pump can lead to poor engine performance, misfires, or difficulty starting the vehicle.
Exhaust gas recirculation (egr) valve issues
The EGR valve can become clogged or fail, leading to increased emissions, reduced fuel efficiency, and poor engine performance.
Transmission problems
Particularly in automatic models, transmission issues such as hard shifting, slipping, or delayed engagement can occur, often due to software issues or mechanical wear.
Suspension wear
The suspension components on the 2020 Defender can wear out prematurely, leading to a rough ride, poor handling, and increased tire wear.
LAND ROVER Defender 2023

The 2023 Land Rover Defender 110 Standard is a versatile SUV equipped with a robust 2.0L AJ120 engine, generating 296 hp. Safety is a top priority, featuring standard Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and more. With advanced tech like Adaptive Driving Beam and Blind Spot Intervention, it's designed for both comfort and security. This AWD vehicle, manufactured in Slovakia, combines rugged capability with modern amenities.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
4

Problems:

Faulty dbs activation
Dynamic Brake Support (DBS) might not engage properly, leading to insufficient braking assistance during emergencies.
Engine overheating
The in-line 4-cylinder AJ120 engine might overheat due to cooling system issues or heavy load conditions.
Turbocharger failure
Turbocharger in high-performance engines can fail, causing loss of power and increased exhaust smoke.
Oil leaks
The AJ120 engine might develop oil leaks from seals and gaskets over time, leading to potential engine damage.
Injector problems
Fuel injectors in the AJ120 engine can get clogged or malfunction, resulting in poor engine performance and fuel efficiency.
Timing chain wear
The timing chain in the AJ120 engine may wear out, causing timing issues and potentially severe engine damage.
Dpf clogging
Diesel Particulate Filter (DPF) can become clogged, leading to reduced engine performance and increased emissions.
Electrical issues
Modern LAND ROVER Defenders can experience electrical problems affecting engine control units and other critical systems.
Egr valve failure
Exhaust Gas Recirculation (EGR) valve can fail or get clogged, affecting engine performance and emissions.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 SE is a sophisticated SUV equipped with a 3.0-liter, 395 hp AJ120 inline-6 engine and an 8-speed automatic transmission. It features advanced safety systems such as Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning, all standard. This all-wheel-drive vehicle also includes modern amenities like LED headlamps, a backup camera, and keyless ignition. Built in Nitra, Slovakia, it boasts a mild hybrid electric system and comprehensive airbag coverage across the first and second rows.

Spec:

Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Oil leaks
Due to the in-line configuration and potential gasket issues, oil leaks can commonly occur, leading to reduced performance and potential engine damage if not addressed promptly.
Overheating
The AJ120 engine, while powerful, may experience cooling system inefficiencies, particularly if the radiator or coolant passages are blocked or if the coolant level is low.
Timing chain problems
The 6-cylinder AJ120 engine may experience timing chain wear or stretching, which can lead to poor engine performance or even catastrophic engine failure if the chain skips a tooth or breaks.
Turbocharger issues
If the Defender model with the AJ120 engine is equipped with a turbocharger, there can be issues with turbo lag, oil supply, or turbo failure due to high stress and heat.
Fuel injector problems
The in-line 6-cylinder configuration may face fuel injector issues, such as clogging or leakage, which can affect engine performance and fuel efficiency.
Sensor failures
Modern engines like the AJ120 are equipped with numerous sensors. Failures in oxygen sensors, mass airflow sensors, or crankshaft position sensors can lead to poor engine performance and diagnostic challenges.
Carbon buildup
Direct injection engines like the AJ120 can suffer from carbon buildup on intake valves, leading to reduced airflow and performance over time.
Exhaust gas recirculation (egr) valve issues
Problems with the EGR valve can lead to poor emissions performance and engine knocking, affecting the overall engine efficiency and compliance with emission standards.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 S, powered by a 2.0L AJ120 in-line 4-cylinder engine producing 296 hp, comes with an 8-speed automatic transmission and AWD. Safety features include standard LDW, FCW, BSW, PAEB, ESC, and a full suite of airbags. The SUV also boasts a backup camera, LED headlamps, and a variety of advanced driver assistance systems. Built in Nitra, Slovakia, this MPV offers robust capabilities and modern conveniences.

Spec:

Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
4

Problems:

Overheating
The AJ120 engine, especially in an in-line configuration, can sometimes suffer from overheating due to insufficient cooling, leading to potential engine damage.
Timing chain issues
The timing chain in some AJ120 engines has been known to stretch or fail prematurely, causing timing issues and potentially severe engine damage.
Turbocharger failure
If the Defender model equipped with the AJ120 engine has a turbocharger, it can be prone to failures, which can lead to a loss of power and increased emissions.
Oil leaks
The AJ120 engine may develop oil leaks around the valve cover gasket or oil pan, which can lead to lower oil levels and potential engine damage if not addressed.
Injector problems
Fuel injectors in the AJ120 engine can become clogged or fail, leading to rough idling, poor fuel economy, and reduced engine performance.
Carbon build-up
Direct-injection engines like the AJ120 can suffer from carbon build-up on the intake valves, which can cause misfires and reduced performance over time.
Sensor failures
Various sensors in the AJ120 engine, such as the oxygen sensor or mass air flow sensor, can fail and lead to performance issues or increased emissions.
LAND ROVER Defender 2023

The 2023 Land Rover Defender 130 First Edition is a versatile and robust SUV equipped with a 3.0L AJ120 inline-six engine producing 395 hp. It features a comprehensive suite of safety technologies, including Dynamic Brake Support, Lane Departure Warning, Blind Spot Warning, and Forward Collision Warning. This all-wheel-drive vehicle also incorporates mild hybrid electric technology for improved efficiency. With standard features like a backup camera, keyless ignition, and adaptive driving beam, it delivers both performance and convenience.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Engine misfire
An engine misfire can occur due to issues with the ignition system, fuel system, or engine compression, leading to poor engine performance.
Turbocharger failure
Turbocharger problems can result in a loss of power and efficiency, often caused by oil contamination, wear and tear, or foreign objects damaging the turbine.
Oil leaks
Oil leaks can stem from various points in the engine, such as gaskets, seals, or oil pan, leading to oil loss and potential engine damage.
Overheating
Overheating issues can arise from coolant leaks, a faulty thermostat, a failing water pump, or a clogged radiator, potentially causing severe engine damage.
Timing chain/belt problems
A worn or broken timing chain/belt can lead to improper engine timing, causing poor performance or even engine damage.
Fuel injector issues
Faulty fuel injectors can result in poor fuel delivery, leading to reduced engine performance, increased emissions, and potential engine damage.
Sensor failures
Malfunctioning sensors, such as the oxygen sensor or mass airflow sensor, can cause incorrect air-fuel mixture, leading to poor engine performance and increased emissions.
Dpf (diesel particulate filter) clogging
For diesel engines, the DPF can become clogged, causing increased exhaust backpressure, reduced performance, and potential engine damage.
Exhaust gas recirculation (egr) valve issues
A malfunctioning EGR valve can cause poor engine performance, increased emissions, and potential engine damage due to improper exhaust gas recirculation.
LAND ROVER Defender 2020

The 2020 Land Rover Defender 110 is a versatile multipurpose passenger vehicle (MPV) with seating for seven. It features a robust 2.0L AJ120 i4 engine producing 296 hp, paired with an 8-speed automatic transmission and AWD. Safety is paramount with standard features including Dynamic Brake Support (DBS), Lane Departure Warning (LDW), and Pedestrian Automatic Emergency Braking (PAEB). Starting at $49,900, this model offers optional advanced features like Adaptive Cruise Control (ACC) and Rear Cross Traffic Alert.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120 i4
Engine Number of Cylinders
4

Problems:

Dynamic brake support (dbs) malfunction
The DBS system might fail to engage properly, which can result in reduced braking assistance during emergency stops.
Engine overheating
The AJ120 i4 engine could experience overheating issues due to potential coolant leaks or a failing cooling system.
Turbocharger problems
The engine might suffer from turbocharger malfunctions, such as boost pressure issues or turbo lag, affecting performance.
Oil leaks
The engine may develop oil leaks from seals or gaskets, leading to potential engine damage if not addressed promptly.
Timing chain wear
Over time, the timing chain in the AJ120 i4 engine could wear out, leading to noisy operation or, in severe cases, engine failure.
Fuel injector issues
The fuel injectors may become clogged or fail, causing misfires, poor fuel economy, and reduced engine performance.
Electrical problems
The 2020 LAND ROVER Defender might experience electrical issues affecting various engine sensors and control modules.
Dpf (diesel particulate filter) blockage
For diesel variants, the DPF can become blocked, causing reduced engine performance and increased emissions.
Egr (exhaust gas recirculation) valve failure
The EGR valve might malfunction, leading to increased emissions and poor engine performance.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 SE is a versatile multipurpose passenger vehicle with a 3.0L inline-six engine producing 395 hp. This AWD SUV comes with advanced safety features including standard lane departure warning, forward collision warning, and blind spot warning. The vehicle also boasts a mild hybrid electric system, LED headlamps, and an 8-speed automatic transmission. Built in Nitra, Slovakia by Jaguar Land Rover Limited, it offers comprehensive airbag coverage across all rows and sophisticated electronic stability control.

Spec:

Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Oil leaks
Due to the in-line configuration and potential gasket issues, oil leaks can commonly occur, leading to reduced performance and potential engine damage if not addressed promptly.
Overheating
The AJ120 engine, while powerful, may experience cooling system inefficiencies, particularly if the radiator or coolant passages are blocked or if the coolant level is low.
Timing chain problems
The 6-cylinder AJ120 engine may experience timing chain wear or stretching, which can lead to poor engine performance or even catastrophic engine failure if the chain skips a tooth or breaks.
Turbocharger issues
If the Defender model with the AJ120 engine is equipped with a turbocharger, there can be issues with turbo lag, oil supply, or turbo failure due to high stress and heat.
Fuel injector problems
The in-line 6-cylinder configuration may face fuel injector issues, such as clogging or leakage, which can affect engine performance and fuel efficiency.
Sensor failures
Modern engines like the AJ120 are equipped with numerous sensors. Failures in oxygen sensors, mass airflow sensors, or crankshaft position sensors can lead to poor engine performance and diagnostic challenges.
Carbon buildup
Direct injection engines like the AJ120 can suffer from carbon buildup on intake valves, leading to reduced airflow and performance over time.
Exhaust gas recirculation (egr) valve issues
Problems with the EGR valve can lead to poor emissions performance and engine knocking, affecting the overall engine efficiency and compliance with emission standards.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 110 X-Dynamic HSE is a versatile and advanced SUV. It features a 3.0L AJ120 engine with 395 hp, AWD, and an 8-speed automatic transmission. Safety systems include standard LDW, FCW, ACC, PAEB, BSW, and more. This mild hybrid vehicle also offers luxurious touches with keyless ignition and LED headlamps.

Spec:

Engine Brake (hp) From
395
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
6

Problems:

Oil leaks
Due to the in-line configuration and potential gasket issues, oil leaks can commonly occur, leading to reduced performance and potential engine damage if not addressed promptly.
Overheating
The AJ120 engine, while powerful, may experience cooling system inefficiencies, particularly if the radiator or coolant passages are blocked or if the coolant level is low.
Timing chain problems
The 6-cylinder AJ120 engine may experience timing chain wear or stretching, which can lead to poor engine performance or even catastrophic engine failure if the chain skips a tooth or breaks.
Turbocharger issues
If the Defender model with the AJ120 engine is equipped with a turbocharger, there can be issues with turbo lag, oil supply, or turbo failure due to high stress and heat.
Fuel injector problems
The in-line 6-cylinder configuration may face fuel injector issues, such as clogging or leakage, which can affect engine performance and fuel efficiency.
Sensor failures
Modern engines like the AJ120 are equipped with numerous sensors. Failures in oxygen sensors, mass airflow sensors, or crankshaft position sensors can lead to poor engine performance and diagnostic challenges.
Carbon buildup
Direct injection engines like the AJ120 can suffer from carbon buildup on intake valves, leading to reduced airflow and performance over time.
Exhaust gas recirculation (egr) valve issues
Problems with the EGR valve can lead to poor emissions performance and engine knocking, affecting the overall engine efficiency and compliance with emission standards.
LAND ROVER Defender 2022

The 2022 Land Rover Defender 90 Standard is a robust and versatile SUV with a 2.0L, 296 hp AJ120 engine. It features advanced safety systems like Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. The vehicle comes with standard AWD, an 8-speed automatic transmission, and a host of modern amenities including a backup camera and keyless ignition. Built in Slovakia, this model ensures a safe and comfortable drive with side airbags in both the 1st and 2nd rows and LED headlamps.

Spec:

Engine Brake (hp) From
296
Engine Configuration
In-Line
Engine Model
AJ120
Engine Number of Cylinders
4

Problems:

Overheating
The AJ120 engine, especially in an in-line configuration, can sometimes suffer from overheating due to insufficient cooling, leading to potential engine damage.
Timing chain issues
The timing chain in some AJ120 engines has been known to stretch or fail prematurely, causing timing issues and potentially severe engine damage.
Turbocharger failure
If the Defender model equipped with the AJ120 engine has a turbocharger, it can be prone to failures, which can lead to a loss of power and increased emissions.
Oil leaks
The AJ120 engine may develop oil leaks around the valve cover gasket or oil pan, which can lead to lower oil levels and potential engine damage if not addressed.
Injector problems
Fuel injectors in the AJ120 engine can become clogged or fail, leading to rough idling, poor fuel economy, and reduced engine performance.
Carbon build-up
Direct-injection engines like the AJ120 can suffer from carbon build-up on the intake valves, which can cause misfires and reduced performance over time.
Sensor failures
Various sensors in the AJ120 engine, such as the oxygen sensor or mass air flow sensor, can fail and lead to performance issues or increased emissions.
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