Most Common Car Issues

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Dynamic Brake Support (DBS)
Standard
Model
Defender

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MOST COMMON PROBLEMS

LAND ROVER Defender 2023

The 2023 Land Rover Defender 110 V8 Carpathian Edition is a robust and luxurious SUV, powered by an AJ133 S/C 5.0L V8 engine producing 518 hp. It comes with comprehensive safety features including Dynamic Brake Support, Forward Collision Warning, and Pedestrian Automatic Emergency Braking. The vehicle boasts all-wheel drive, an 8-speed automatic transmission, and advanced driver assistance systems like Blind Spot Warning and Lane Keeping Assistance. Manufactured in Nitra, Slovakia, this SUV is designed for both performance and comfort, ensuring a safe and dynamic driving experience.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
518
Engine Configuration
V-Shaped
Engine Model
AJ133 S/C
Engine Number of Cylinders
8

Problems:

Dynamic brake support (dbs) malfunction
There could be issues with the sensors or control unit that manage the DBS system, leading to inconsistent braking performance.
Excessive engine noise
The V-shaped configuration and supercharged nature of the AJ133 S/C engine may cause higher noise levels, which can be unsettling and indicate potential issues.
Engine overheating
The high horsepower (518 hp) may push the engine to its thermal limits, especially during demanding driving conditions.
Fuel consumption
The powerful V8 engine might suffer from high fuel consumption, leading to frequent refueling and increased running costs.
Oil leaks
V-shaped engines can sometimes develop oil leaks due to the complexity and number of seals and gaskets.
Timing chain issues
With a complex engine like the AJ133 S/C, there can be problems with the timing chain, leading to misfires or engine damage.
Electronic control unit (ecu) failures
The advanced systems in modern engines can suffer from ECU issues, affecting overall engine performance and reliability.
Turbocharger/supercharger wear
The supercharger in the AJ133 S/C engine may wear out over time, leading to a reduction in performance and efficiency.
Cooling system failures
The cooling systems in high-performance engines might fail, causing overheating and subsequent engine damage.
Transmission stress
The high power output can place additional stress on the transmission system, leading to potential failures or reduced lifespan.
LAND ROVER Defender 2023

The 2023 Land Rover Defender 110 V8 Carpathian Edition is a robust SUV with a 5.0L V8 engine delivering 518 hp. It features advanced safety systems like Dynamic Brake Support, Lane Departure Warning, and Forward Collision Warning. With AWD, an 8-speed automatic transmission, and a comprehensive suite of standard safety technologies, this vehicle ensures a secure and powerful driving experience. Manufactured by Jaguar Land Rover in Slovakia, it combines luxury and performance seamlessly.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
518
Engine Configuration
V-Shaped
Engine Model
AJ133 S/C
Engine Number of Cylinders
8

Problems:

Dynamic brake support (dbs) malfunction
There could be issues with the sensors or control unit that manage the DBS system, leading to inconsistent braking performance.
Excessive engine noise
The V-shaped configuration and supercharged nature of the AJ133 S/C engine may cause higher noise levels, which can be unsettling and indicate potential issues.
Engine overheating
The high horsepower (518 hp) may push the engine to its thermal limits, especially during demanding driving conditions.
Fuel consumption
The powerful V8 engine might suffer from high fuel consumption, leading to frequent refueling and increased running costs.
Oil leaks
V-shaped engines can sometimes develop oil leaks due to the complexity and number of seals and gaskets.
Timing chain issues
With a complex engine like the AJ133 S/C, there can be problems with the timing chain, leading to misfires or engine damage.
Electronic control unit (ecu) failures
The advanced systems in modern engines can suffer from ECU issues, affecting overall engine performance and reliability.
Turbocharger/supercharger wear
The supercharger in the AJ133 S/C engine may wear out over time, leading to a reduction in performance and efficiency.
Cooling system failures
The cooling systems in high-performance engines might fail, causing overheating and subsequent engine damage.
Transmission stress
The high power output can place additional stress on the transmission system, leading to potential failures or reduced lifespan.
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 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 2023

The 2023 Land Rover Defender 110 V8 Carpathian Edition is a top-tier SUV featuring a powerful AJ133 S/C engine with 5.0L displacement delivering 518 hp. It boasts advanced safety features like Dynamic Brake Support, Lane Departure Warning, and Blind Spot Warning. With all-wheel drive and an 8-speed automatic transmission, it offers a balanced mix of performance and luxury. This model includes standard features such as a backup camera, adaptive driving beam, and automatic crash notification, ensuring a secure and comfortable driving experience.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
518
Engine Configuration
V-Shaped
Engine Model
AJ133 S/C
Engine Number of Cylinders
8

Problems:

Dynamic brake support (dbs) malfunction
There could be issues with the sensors or control unit that manage the DBS system, leading to inconsistent braking performance.
Excessive engine noise
The V-shaped configuration and supercharged nature of the AJ133 S/C engine may cause higher noise levels, which can be unsettling and indicate potential issues.
Engine overheating
The high horsepower (518 hp) may push the engine to its thermal limits, especially during demanding driving conditions.
Fuel consumption
The powerful V8 engine might suffer from high fuel consumption, leading to frequent refueling and increased running costs.
Oil leaks
V-shaped engines can sometimes develop oil leaks due to the complexity and number of seals and gaskets.
Timing chain issues
With a complex engine like the AJ133 S/C, there can be problems with the timing chain, leading to misfires or engine damage.
Electronic control unit (ecu) failures
The advanced systems in modern engines can suffer from ECU issues, affecting overall engine performance and reliability.
Turbocharger/supercharger wear
The supercharger in the AJ133 S/C engine may wear out over time, leading to a reduction in performance and efficiency.
Cooling system failures
The cooling systems in high-performance engines might fail, causing overheating and subsequent engine damage.
Transmission stress
The high power output can place additional stress on the transmission system, leading to potential failures or reduced lifespan.
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 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 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 2023

The 2023 Land Rover Defender 110 V8 Carpathian Edition is a powerful SUV equipped with a 5.0L V8 engine producing 518 hp. It features advanced safety systems like Dynamic Brake Support, Lane Departure Warning, and Blind Spot Warning. The vehicle offers a luxurious and secure driving experience with standard features such as Adaptive Driving Beam, Rear Automatic Emergency Braking, and keyless ignition. This model is built in Slovakia by Jaguar Land Rover Limited.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
518
Engine Configuration
V-Shaped
Engine Model
AJ133 S/C
Engine Number of Cylinders
8

Problems:

Dynamic brake support (dbs) malfunction
There could be issues with the sensors or control unit that manage the DBS system, leading to inconsistent braking performance.
Excessive engine noise
The V-shaped configuration and supercharged nature of the AJ133 S/C engine may cause higher noise levels, which can be unsettling and indicate potential issues.
Engine overheating
The high horsepower (518 hp) may push the engine to its thermal limits, especially during demanding driving conditions.
Fuel consumption
The powerful V8 engine might suffer from high fuel consumption, leading to frequent refueling and increased running costs.
Oil leaks
V-shaped engines can sometimes develop oil leaks due to the complexity and number of seals and gaskets.
Timing chain issues
With a complex engine like the AJ133 S/C, there can be problems with the timing chain, leading to misfires or engine damage.
Electronic control unit (ecu) failures
The advanced systems in modern engines can suffer from ECU issues, affecting overall engine performance and reliability.
Turbocharger/supercharger wear
The supercharger in the AJ133 S/C engine may wear out over time, leading to a reduction in performance and efficiency.
Cooling system failures
The cooling systems in high-performance engines might fail, causing overheating and subsequent engine damage.
Transmission stress
The high power output can place additional stress on the transmission system, leading to potential failures or reduced lifespan.
LAND ROVER Defender 2021

The 2021 Land Rover Defender 110 X-Dynamic HSE is a versatile and robust SUV equipped with a 3.0L AJ120 i6 engine producing 395 hp. It features advanced safety technologies such as Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. The vehicle offers a comfortable ride with seating for 5 and modern conveniences like Keyless Ignition, Backup Camera, and LED Headlamps. It's a mild hybrid electric vehicle with AWD, ensuring excellent traction and stability on diverse terrains.

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 V8 Carpathian Edition is a robust and sophisticated SUV, powered by a 5.0L V8 engine producing 518 hp. It features comprehensive safety systems including Dynamic Brake Support, Lane Departure Warning, and Forward Collision Warning. With advanced amenities like Keyless Ignition, Backup Camera, and Adaptive Driving Beam, this AWD vehicle ensures both luxury and performance. Built in Slovakia, it combines rugged capability with modern technology.

Spec:

Dynamic Brake Support (DBS)
Standard
Engine Brake (hp) From
518
Engine Configuration
V-Shaped
Engine Model
AJ133 S/C
Engine Number of Cylinders
8

Problems:

Dynamic brake support (dbs) malfunction
There could be issues with the sensors or control unit that manage the DBS system, leading to inconsistent braking performance.
Excessive engine noise
The V-shaped configuration and supercharged nature of the AJ133 S/C engine may cause higher noise levels, which can be unsettling and indicate potential issues.
Engine overheating
The high horsepower (518 hp) may push the engine to its thermal limits, especially during demanding driving conditions.
Fuel consumption
The powerful V8 engine might suffer from high fuel consumption, leading to frequent refueling and increased running costs.
Oil leaks
V-shaped engines can sometimes develop oil leaks due to the complexity and number of seals and gaskets.
Timing chain issues
With a complex engine like the AJ133 S/C, there can be problems with the timing chain, leading to misfires or engine damage.
Electronic control unit (ecu) failures
The advanced systems in modern engines can suffer from ECU issues, affecting overall engine performance and reliability.
Turbocharger/supercharger wear
The supercharger in the AJ133 S/C engine may wear out over time, leading to a reduction in performance and efficiency.
Cooling system failures
The cooling systems in high-performance engines might fail, causing overheating and subsequent engine damage.
Transmission stress
The high power output can place additional stress on the transmission system, leading to potential failures or reduced lifespan.
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