Most Common Car Issues

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Model
Defender
Model Year
2021

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MOST COMMON PROBLEMS

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 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 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 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 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.
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