3.0L V6 Supercharged Gas (340/380 Hp) L494 2014-2019
3.0L V6 Supercharged Gas (340/380 Hp) L494 2014-2019
Range Rover Sport 3.0L V6 Supercharged Issues & Fixes (2014–2019)
In this Vehicle Platform Guide, you will find the top common issues of Land Rover Range Rover Sport (L494; 2014-2019) 3.0L Supercharged V6, along with their fault codes, and the solutions from eEuroparts.com.
The 2014-2019 Land Rover Range Rover Sport (L494) 3.0L Supercharged V6 is a premium performance SUV powered by a 3.0L supercharged V6 gasoline engine, delivering 340 horsepower and up to 450 Nm (331 lb-ft) of torque. Paired with an 8-speed automatic transmission and full-time AWD, it offers confident acceleration and refined on-road dynamics. Featuring direct fuel injection, a twin-vortex supercharger, and intercooling, it balances power with smooth delivery. With its adaptive suspension and Terrain Response system, it excels in both urban comfort and off-road capability, making it a versatile choice for luxury, performance, and adventure.
Specifications
Engine and Powertrain
Engine:
3.0L Supercharged V6
Engine Code:
AJ126 (Gen II)
Horsepower:
340 hp or 380 hp (HSE Dynamic/Autobiography trims)
Torque:
~332 lb-ft
Fuel Type:
Premium Unleaded Gasoline
Transmission:
8-Speed Automatic (ZF 8HP70)
Fuel Economy (EPA Estimates)
City/Highway Combined:
~17-23 MPG
Vehicle Weight
Curb weight:
~ 4,727 lbs
Gross Weight:
~ 6,614 lbs
Configurations and Submodels
Body Styles:
SUV
Seating Capacity:
5 passengers
Drivetrain Options:
Full-Time 4WD with Terrain Response System
Top Common Issues with Land Rover Range Rover Sport (L494; 2014-2019) 3.0L Supercharged V6
ABS Wheel Speed Sensor
1. ABS Wheel Speed Sensor Failure
Fault Codes:
Fault codes C0031-C0034 indicate range or performance issues in the wheel speed sensor circuits, while U0126 signals a loss of communication with the steering angle sensor.
Why it happens:
ABS wheel speed sensor failure typically occurs due to dirt buildup, corrosion, damaged wiring, or physical impact, disrupting accurate wheel speed readings.
Symptoms:
ABS warning light illuminated on the dashboard.
Pulsating brake pedal during normal braking, even on dry roads.
Loss of anti-lock braking function, especially during hard stops.
Disabled traction or stability control systems, leading to poor handling in slippery conditions.
Inaccurate or non-functional speedometer, in rare cases.
Parts to Replace
Front - 0265009325 The Bosch ABS Wheel Speed Sensor is a front sensor designed for select Land Rover Range Rover and Range Rover Sport models.
Rear 0265009326 The Bosch Rear ABS Wheel Speed Sensor (LR033457) is a high-precision component designed for Land Rover Range Rover (2013-2016) and Range Rover Sport (2014-2016) models.
Fault codes C1A41 and U3000 indicate internal issues within the parking brake control module and a general control module fault, respectively - often caused by hardware failure, memory corruption, or poor electrical connections.
Why it happens:
Parking brake booster failure typically occurs due to vacuum leaks, worn seals, corroded components, or electrical faults.
Symptoms:
Stiff or hard brake pedal, requiring more effort to stop the vehicle.
Increased stopping distance, especially during sudden braking.
Hissing noise when pressing the brake pedal, indicating a vacuum leak.
Brake warning light or even a check engine light on the dashboard.
Engine stalling or rough idle, caused by vacuum leaks affecting air-fuel balance.
Parts to Replace
TRW Power Brake Booster Part # PSA354 The TRW Power Brake Booster is an OE-quality replacement designed for Land Rover Range Rover (2013-2016) and Range Rover Sport (2014-2016) models.
Pierburg Land Rover Vacuum Pump Part Number 7.01188.22.0, The Pierburg Power Brake Booster Vacuum Pump is the perfect replacement part for your Jaguar or Land Rover vehicle.
Fault code C1A96 indicates the brake light signal is stuck high, often caused by a faulty brake light switch, wiring issues, or a malfunctioning body control module.
Why it happens:
A brake pad wear sensor fault typically occurs due to broken sensor wires, corrosion, improper installation, or worn pads not triggering the sensor, leading to inaccurate or missing wear alerts.
Symptoms:
Brake warning light illuminated on the dashboard, even if pads are still in good condition.
Intermittent or false alerts, where the warning appears and disappears without consistent cause.
No warning at all, even when pads are worn down, due to a broken or disconnected sensor wire.
Unusual braking behavior, like delayed response or the need for more pedal pressure.
Grinding or squealing noises, if the sensor fails to alert you before pads wear completely.
Parts to Replace
Aftermarket XHLH014 The Aftermarket Front Brake Pad Wear Sensor (LR045959) is designed as a direct-fit replacement for Land Rover Discovery V (L462) and Range Rover Sport II (L494) models.
Aftermarket XHLH011 The Aftermarket Rear Brake Pad Wear Sensor (LR033295) is a direct-fit replacement for Land Rover Range Rover (2013-2017), Range Rover Sport (2014-2018), and Discovery models equipped with the 3.0L engine.
The C1A20 fault code indicates slow pressure increase when filling the air suspension reservoir, often linked to compressor or valve block issues.
Why it happens:
Front air spring leaks occur due to rubber deterioration, improper installation, punctures from road debris, or aging seals, leading to suspension sagging.
Symptoms:
Vehicle sagging: One side or the front end sits lower than normal.
Uneven ride height: Suspension struggles to maintain proper leveling.
Hissing sound: Air escaping from a damaged spring.
Rough or bumpy ride: Loss of cushioning effect due to insufficient air pressure.
Compressor running excessively: Overworking to compensate for lost air.
The C1A03 fault code indicates a front left height sensor issue, while C1A04 signals a front right height sensor fault, both affecting suspension calibration.
Why it happens:
Ride height sensor malfunctions occur due to wiring issues, sensor wear, corrosion, or faulty suspension components, leading to inaccurate ride height adjustments.
Symptoms:
Uneven ride height: One side or end of the vehicle sits lower than normal.
Bumpy or rough ride: Suspension struggles to adjust properly.
Warning lights: Air suspension or ride control indicators may illuminate.
Delayed suspension response: Slow or inconsistent height adjustments.
Headlight misalignment: Automatic leveling systems may fail.
Fault code C1A13 signals a control arm angle sensor error, while C1A14 indicates suspension height sensor signal plausibility issues, suggesting malfunctions.
Why it happens:
Control arm failure occurs due to wear and tear, corrosion, impact damage, manufacturing defects, or overloading, compromising vehicle stability and handling.
Symptoms:
Abnormal road noises like popping or clunking sounds, especially over bumps.
Unresponsive or unstable steering, making the vehicle harder to control.
Excessive vibration, felt through the steering wheel or chassis.
Parts to Replace
Front Passenger Side Lower 3984801 The Lemfoerder Front Passenger Side Lower Suspension Control Arm is an OE-quality replacement part designed for Land Rover vehicles.
Moog Rear (Upper) Part # RK642955 The Moog Suspension Control Arm part number RK642955 is a high-quality replacement part designed for Land Rover vehicles.
Fault codes C1A20 and C1A13 indicate suspension system pressure issues, with sensor plausibility errors and failed pressure reduction during venting.
Why it happens:
Air suspension solenoid valve unit failure occurs due to contaminants, overheating, electrical faults, or wear, disrupting air distribution and ride height control.
Symptoms:
Inconsistent ride height, where the vehicle may lean or sit unevenly.
Unusual noises, such as clicking or hissing from the valve block.
Erratic pressure changes, leading to sudden suspension stiffness or sagging.
Fluid or gas leaks, indicating internal damage.
Increased energy consumption, as the compressor works harder to compensate.
Part to Replace: Arnott Industries VB-3622 - Air Suspension Solenoid Valve Unit (Rear) is designed to ensure optimal performance of your vehicle's air suspension system.
Parts to Replace
Arnott Industries VB-3622 - Air Suspension Solenoid Valve Unit (Rear) is a high-quality replacement part designed for Land Rover vehicles.
P0300, P0301-P0306 indicate random and cylinder-specific misfires, causing rough idle, poor acceleration, increased emissions, and potential engine damage.
Why it happens:
Spark plug failure occurs due to carbon buildup, overheating, incorrect gap settings, oil contamination, or worn-out electrodes, leading to misfires and poor ignition.
Symptoms:
Rough idle: The engine may vibrate or run unevenly at low speeds.
Engine misfires: Inconsistent combustion leads to hesitation and power loss.
Poor acceleration: Sluggish response when pressing the throttle.
Bosch Land Rover Spark Plug 8502 The Jaguar Land Rover Spark Plug Bosch 8502 is a high-performance EVO spark plug designed for turbocharged gasoline direct injection (GDI) engines.
Land Rover Spark Plug 93476 The Land Rover Spark Plug LR050998 - NGK 93476 is a high-performance OEM spark plug designed for 3.0L V6 and 5.0L V8 petrol engines in various Land Rover and Range Rover models.
Denso 3500 - Spark Plug The Jaguar Land Rover Spark Plug Denso is a high-quality OEM replacement spark plug designed for Jaguar and Land Rover models, ensuring reliable ignition and optimal combustion performance.
Land Rover Spark Plug - 4712 The Jaguar Land Rover Spark Plug - Denso 4712 is a high-performance Iridium TT spark plug designed for Jaguar and Land Rover models.
The P0325 fault code indicates a malfunction in the knock sensor circuit on Bank 1, while P0330 signals a similar issue on Bank 2, affecting engine timing and performance.
Why it happens:
Ignition knock sensor failure occurs due to wiring issues, sensor degradation, engine vibrations, or poor fuel quality, leading to incorrect timing adjustments.
NTK Land Rover Ignition Knock (Detonation) Sensor ID0226 The Jaguar Land Rover Ignition Knock Sensor NTK ID0226 is a genuine OEM replacement part designed for various Jaguar and Land Rover models.
P0350-P0356 indicate ignition coil circuit faults, while P0300-P0306 signal random or cylinder-specific misfires, causing rough idle, poor acceleration, and power loss.
Why it happens:
Ignition coil failure occurs due to overheating, worn spark plugs, electrical faults, or excessive vibrations, leading to misfires and poor engine performance.
Loss of power: Decreased acceleration and overall engine performance.
Parts to Replace
NGK Land Rover Ignition Coil The Land Rover Ignition Coil NGK 48901 is a high-performance OEM ignition coil designed for Land Rover Range Rover (2018-2020) and Range Rover Sport (2018) with 5.0L V8 engines.
Iridium Long Life (Gap 0.044") Part # 5249146-Kit The Ignition Coil Kit - (Iridium Long Life) (Gap 0.044″) PART # 5249146-Kit includes six Denso 673-9204 direct ignition coils and six Denso 3500 Iridium Long Life spark plugs, ensuring optimal ignition performance and durability
EVO Part # 5250514-Kit The Ignition Coil Kit - (EVO) PART # 5250514-Kit includes six Denso 673-9204 direct ignition coils and six Bosch 8502 EVO spark plugs.
Laser Iridium (Gap 0.032) Part # 5268617-Kit this kit, created specifically for Land Rover models, includes 6 NGK Spark Plugs (Laser Iridium) and 6 Denso Direct Ignition Coils.
Tie rod end wear typically occurs due to lack of lubrication, road impacts like potholes or curbs, and natural wear from steering movement.
Symptoms:
Uneven tire wear, especially on the inner or outer edges.
Loose or unresponsive steering, with excessive play in the steering wheel.
Vibrations or shaking, particularly while turning or accelerating.
Clunking or squeaking noises when driving over bumps or making sharp turns.
Vehicle pulling to one side, indicating misalignment caused by loosened tie rods.
Parts to Replace
Front (Outer) part number BPSS16041 The Bison Performance Steering Tie Rod End is a high-quality replacement part designed to fit Land Rovers.
Front Part # 39550 01 The Lemforder 39550 01 Steering Tie Rod End is a premium-quality component designed for the front axle (left or right) of various Land Rover models.
Outer Part # 37121 01 The Lemforder 37121 01 Outer Steering Tie Rod End is a premium replacement part designed for the front axle (left or right) of various Land Rover models, including the Range Rover IV (L405) and Range Rover Sport (L494).
The P0016 fault code indicates a misalignment between the crankshaft and camshaft positions, while P0017 signals a correlation issue affecting engine timing and performance.
Why it happens:
Timing chain wear occurs due to inadequate lubrication, prolonged use, faulty tensioners, engine overheating, or poor-quality parts, leading to timing issues.
Symptoms:
Rattling or clattering noises: A loose or stretched timing chain may produce unusual sounds, especially at idle or startup.
Engine misfires: Incorrect valve timing can lead to misfires, reducing power and efficiency.
Illuminated check engine light: Faulty timing can trigger diagnostic trouble codes related to camshaft/crankshaft correlation.
Metal shavings in oil: Excessive wear can cause small metal particles to mix with engine oil.
Difficulty starting: A worn timing chain may cause inconsistent ignition timing, making the engine harder to start.
Poor fuel economy: Incorrect timing can lead to inefficient combustion, increasing fuel consumption.
INA Land Rover Engine Timing Chain 5530345100 The Jaguar Land Rover Engine Timing Chain 5530345100 by INA is a high-quality replacement part designed for Jaguar and Land Rover models, including the Range Rover Sport, Discovery, and Jaguar F-Type.
The P0217 fault code indicates engine overheating beyond safe limits, while P0521 signals an oil pressure sensor issue affecting engine lubrication and performance.
Why it happens:
Engine oil cooler failure occurs due to clogging, leaks, corrosion, or pressure imbalances, leading to overheating and reduced lubrication efficiency.
Symptoms:
Oil leaks: Visible oil pooling under the vehicle or dripping near the cooler.
Engine overheating: Inefficient cooling leads to higher engine temperatures.
Coolant contamination: Oil mixing with coolant, causing a milky appearance.
Reduced engine performance: Loss of power due to improper lubrication.
Check engine light: Triggered by temperature or pressure irregularities.
Burning oil smell: Overheated oil can produce a strong odor.
Parts to Replace
Nissens Jaguar Land Rover Engine Oil Cooler 90944 The Nissens Engine Oil Cooler part number 90944 is a vital component for maintaining the engine’s optimal performance in your Jaguar or Land Rover.
Elring Land Rover Engine Oil Cooler Gasket 925.960 The Jaguar Land Rover Engine Oil Cooler Gasket Elring is a genuine replacement part designed for various Jaguar and Land Rover models, including the F-Type, Range Rover Sport, and Discovery.
The P0325 fault code indicates a malfunction in the knock sensor circuit on Bank 1, while P0330 signals a similar issue on Bank 2, affecting engine timing and performance.
Why it happens:
Mass air flow sensor failure occurs due to contamination, wiring issues, sensor degradation, or incorrect air-fuel mixture, leading to poor engine performance.
P0087, P0088, and P0090 indicate fuel system issues, including low fuel pressure, excessively high pressure, and faulty fuel pressure regulator control.
Why it happens:
High-pressure fuel pump failure occurs due to lack of maintenance, contaminated fuel, excessive pressure, or mechanical wear, leading to fuel delivery issues.
Symptoms:
Engine hesitation or sputtering: Struggles to accelerate smoothly, especially between 2000-4000 RPM.
Delayed engine start: Takes longer to crank and start due to inconsistent fuel pressure.
High engine temperatures: Overheating caused by improper fuel delivery.
Vehicle stalling: Sudden loss of power, particularly under load or high temperatures.
Poor fuel economy: Increased fuel consumption due to inefficient combustion.
Parts to Replace
Bosch Land Rover High Pressure Fuel Pump The Bosch Direct Injection High Pressure Fuel Pump part number 66806 is a top-of-the-line replacement part for your Jaguar or Land Rover.
The P0620 fault code indicates a malfunction in the generator control circuit, while P0562 and P2503 signal low system voltage and charging issues, affecting electrical performance.
Why it happens:
Alternator failure occurs due to normal wear, wiring issues, computer system malfunctions, overheating, or excessive electrical load, leading to charging problems.
Symptoms:
Warning light activation: The battery or alternator warning light may illuminate on the dashboard.
Dim or flickering headlights: Inconsistent power supply affects lighting performance.
Dead battery: The alternator fails to recharge the battery, leading to frequent battery drain.
Electrical malfunctions: Power windows, radio, or other accessories may work intermittently.
Strange noises: A failing alternator can produce whining or grinding sounds.
Burning smell: Overheating alternator components may emit a burning odor.
Engine stalling: Insufficient power supply can cause the engine to shut down unexpectedly.
Parts to Replace
Denso Land Rover Alternator DAN1112 The Land Rover Alternator - Denso DAN1112 is a high-performance 180 Amp OEM alternator designed for Land Rover LR4, Range Rover Sport, and Range Rover Full Size L405.
2. Evaporative Emissions System Leak Detection Pump Failure
Fault Codes:
The P2402 fault code indicates a high voltage issue in the EVAP leak detection pump circuit, while P2400 signals an open or malfunctioning circuit, affecting emissions control.
Why it happens:
Evaporative emissions system leak detection pump failure occurs due to faulty wiring, diaphragm wear, solenoid issues, or charcoal canister clogs, affecting emissions control.
Strong fuel odor: Escaping vapors cause noticeable gasoline smells.
Rough idling or hesitation: Inconsistent fuel-air mixture affects engine stability.
Parts to Replace
Bosch Land Rover Volvo Leak Detection Pump 0261222022 The Bosch Evaporative Emissions System Leak Detection Pump part number 0261222022 is a highly efficient and reliable component that is designed to work seamlessly with Land Rover and Volvo vehicles.
The P0130-P0135 fault codes indicate oxygen sensor circuit and heater malfunctions on Bank 1, P0150-P0155 signal similar issues on Bank 2, and P0420 points to catalyst efficiency problems, affecting emissions and fuel economy.
Why it happens:
Oxygen sensor failure occurs due to carbon buildup, contamination, aging, overheating, or wiring issues, leading to inaccurate air-fuel mixture readings.
The P1867 fault code indicates a failure in the transfer case control motor circuit, while U0402 signals invalid data received from the Transmission Control Module (TCM), potentially affecting drivetrain operation.
Why it happens:
Transfer case motor faults occur due to wiring issues, motor wear, fluid contamination, or control module failures, leading to drivetrain engagement problems.
Symptoms:
Unusual noises: Grinding or humming sounds when engaging 4WD.
Difficulty shifting into 4WD: Struggles to engage or stay in four-wheel drive.
Fluid leaks: Visible leakage beneath the transfer case, indicating possible damage.
Warning lights: 4WD system or drivetrain-related indicators may illuminate.
Erratic 4WD behavior: Unexpected disengagement or failure to switch between drive modes.
Parts to Replace
Rein Land Rover Transfer Case Motor TDA0002 The Rein Transfer Case Motor part number TDA0002 is a high-quality replacement part designed specifically for Land Rover vehicles.
CV axle shaft failure typically occurs due to torn CV boots allowing dirt and moisture in, which leads to joint wear, grease loss, and eventual mechanical breakdown.
Symptoms:
Clicking or popping noises when turning, especially during sharp turns - this is a classic sign of a worn outer CV joint.
Knocking or clunking sounds, particularly rhythmic ones, which may intensify when reversing.
Grease splattered on the inside of the wheels or tires, indicating a torn CV boot and leaking lubricant.
Vibrations while driving, especially at higher speeds, caused by joint imbalance or lack of lubrication.
Bouncy or unstable ride, as the axle loses its ability to absorb road shocks.
Parts to Replace
Front Passenger Side RV-8020 The SurTrack RV-8020 CV Axle Shaft is a front passenger-side replacement designed for select Land Rover Range Rover Sport models.
Rear Driver Side Part # RV-8019 The Surtrack CV Axle Shaft part number RV-8019 is an exceptional choice for your Land Rover, providing top-notch quality and durability.
Rear Passenger Side Part # RV-8018 The Surtrack CV Axle Shaft part number RV-8018 is a high-quality car part that is specifically designed for Land Rover models.
Front Driver Side Part # RV-8017 The Surtrack CV Axle Shaft, part number RV-8017, is the perfect replacement for your Land Rover’s worn out or damaged axle.
eEuroparts offers a wide selection of OEM and well-reviewed aftermarket parts chosen for compatibility with Land Rover vehicles. Parts are listed with fitment details and trusted brand options to help you find components that are appropriate for routine maintenance and common repairs.
Exceptional Delivery, Unmatched Logistics
We know that every moment counts when your car is out of commission. That’s why we focus on getting your parts to you as quickly as possible. Our efficient logistics network and fast shipping mean minimal downtime for your vehicle.
Competitive Prices, Superior Value
Our catalog includes everything from timing chains, camshaft adjusters, and PCV valves to wheel bearings, control arms, and fuel pumps, sourced to meet or exceed OE standards. Whether you prefer genuine Land Rover parts or trusted aftermarket brands, we offer top-tier quality at better-than-dealer pricing.
Trusted Excellence
Our catalog includes parts from top-tier brands like Bosch, INA, ZF, Pierburg, Elring, Lemforder, and Rein. Whether you're resolving transmission issues, electrical faults, or suspension wear, our parts meet or exceed OEM standards for fit, durability, and performance.
Conclusion
Whether you’re replacing worn items or addressing a specific fault, use these listings to identify likely parts and plan repairs. For vehicle-specific advice, consult a trusted technician to confirm fitment and service steps before installation.
Frequently Asked Questions
Is the Range Rover Sport 3.0L supercharged V6 a reliable SUV for long term use?⌄
Yes, the 3.0L supercharged V6 can be reliable when serviced on schedule. Regular oil service, cooling system checks, and timely replacement of spark plugs and belts help maintain strong long term performance.
What type of fuel does the Range Rover Sport 3.0L supercharged engine require?⌄
The engine performs best on premium unleaded gasoline rated at ninety one octane or higher. Premium fuel supports smooth acceleration and helps protect the supercharger system.
What common issues should Range Rover Sport owners watch for?⌄
Some owners report water pump leaks, supercharger nose bearing wear, air suspension faults, and occasional timing chain noise. Routine inspection and quality replacement parts help reduce these concerns before they become major repairs.
How often should the Range Rover Sport 2014 to 2019 be serviced?⌄
Service is generally recommended every ten thousand miles or once each year. Key maintenance items include oil service, filter replacement, brake inspection, and checks on the cooling system and supercharger assembly.
Are parts for the Range Rover Sport 3.0L supercharged V6 expensive to maintain?⌄
Certain components, especially air suspension parts and supercharger related items, can be costly. However, many common parts such as filters, brakes, sensors, and bushings are available at competitive prices when sourced from trusted suppliers.
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