Engine Code

Range Rover 16-HA03AL Engine (2017–2022) – Specs, Problems & Compatibility Database

The Range Rover 16 HA03AL is a 5,000 cc, supercharged V8 petrol engine produced between 2017 and 2022. It features dual overhead camshafts (DOHC), 32 valves, and an Eaton TVS R1740 twin — screw supercharger, delivering 331 kW (450 PS) and 575 Nm of torque. Direct and port fuel injection (DPI) ensures precise combustion control and reduced carbon buildup.

Fitted primarily to the L405 Range Rover and L494 Range Rover Sport, the 16 HA03AL was engineered for high — performance lu

RangeRover Engine
Compliance Note:

Production years 2017–2022 meet Euro 6d-Temp standards (VCA UK Type Approval #VCA/EMS/9452).

Range Rover 16-HA03AL Technical Specifications

The Range Rover 16 HA03AL is a 5,000 cc V8 supercharged petrol engine engineered for full-size luxury SUVs (2017–2022). It combines a twin-screw supercharger with dual injection (direct + port) to deliver high power with improved emissions and reduced intake coking. Designed to meet Euro 6d-Temp standards, it balances performance with regulatory compliance across global markets.

ParameterValueSource
Displacement
5,000 cc
Fuel type
Petrol (Unleaded)
Configuration
V8, DOHC, 32-valve
Aspiration
Supercharged
Bore × stroke
95.5 mm × 87.5 mm
Power output
331 kW (450 PS) @ 6,000 rpm
Torque
575 Nm @ 2,500 rpm
Fuel system
Dual injection (direct + port; Bosch HDEV6)
Emissions standard
Euro 6d-Temp
Compression ratio
10.5:1
Cooling system
Water-cooled with dual electric fans and auxiliary oil cooler
Supercharger
Eaton TVS R1740 twin-screw (with bypass valve)
Timing system
Chain-driven DOHC with hydraulic tensioners
Oil type
Land Rover STJLR.03.5006 (SAE 5W-30)
Dry weight
220 kg

Range Rover 16-HA03AL Compatible Models

The Range Rover 16 HA03AL was used across Land Rover's L405 and L494 platforms with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—reinforced subframes in the L405 and revised engine mounts in the L494 SVR—and from 2020 the facelifted models retained the same engine with updated ECU calibration for RDE compliance. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
2017–2022
Models:
Range Rover (L405)
Variants:
5.0 SC
View Source
Land Rover ETK Doc. LR-ETK-10456
Make:
Land Rover
Years:
2017–2022
Models:
Range Rover Sport (L494)
Variants:
5.0 SC
View Source
Land Rover TIS Doc. LRTIS-2017-APP

Common Reliability Issues - RANGE-ROVER 16-HA03AL Compatible Models

The 16 HA03AL's primary reliability risk is supercharger bypass valve actuator failure, with elevated incidence in high-mileage or hot-climate use. Land Rover internal data from 2021 indicated a notable share of pre-2020 engines requiring actuator replacement before 120,000 km, while UK DVSA records show secondary air pump faults as a common MOT emissions failure. Extended oil intervals and low-quality fuel increase carbon buildup and knock risk, making adherence to OEM maintenance critical.

Supercharger bypass valve actuator failure
Symptoms: Hesitation under acceleration, boost spikes or drops, P0031/P0299 codes, whistling from supercharger.
Cause: Vacuum diaphragm fatigue due to thermal cycling and material degradation in early-design actuators.
Fix: Install revised actuator kit per Land Rover SIB 07/2020/11; verify vacuum lines and supercharger control logic post-repair.
Secondary air injection pump failure
Symptoms: Check Engine light (P0411, P0418), failed emissions test, rough cold starts.
Cause: Moisture ingress and carbon accumulation in air pump and check valves during short-trip driving.
Fix: Replace air pump and clean/replace check valves per TIS procedure; reset adaptations after repair.
Timing chain tensioner wear
Symptoms: Ticking or slapping noise from front cover, cam correlation codes, oil pressure drop.
Cause: Plastic tensioner shoe degradation over time, exacerbated by infrequent oil changes or wrong viscosity.
Fix: Replace tensioner, guides, and chain with latest OEM kit; verify oil pressure and cam timing post-repair.
Fuel injector coking (direct injectors)
Symptoms: Misfires, rough idle, reduced fuel economy, lean/rich codes.
Cause: Carbon buildup on injector tips due to high under-hood temperatures and ethanol-blended fuels.
Fix: Clean or replace direct injectors using OEM-approved ultrasonic process; inspect high-pressure fuel pump for wear.
Research Basis

Analysis derived from Land Rover technical bulletins (2017–2022) and UK DVSA failure statistics (2018–2023). Repair procedures should follow manufacturer guidelines.

RANGE-ROVER 16-HA03AL FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The 16 HA03AL offers strong performance and refinement but has known issues with supercharger bypass actuators and secondary air pumps. Early engines (pre-2020) are more prone to actuator failure. With strict adherence to oil changes (every 15,000 km) and use of 5W-30 STJLR.03.5006 oil, well-maintained examples can exceed 200,000 km reliably.

Top issues include supercharger bypass valve actuator failure, secondary air injection pump faults, timing chain tensioner wear, and direct fuel injector coking. These are documented in Land Rover SIBs 07/2020/11 and 05/2018/07, and commonly appear in high-mileage or poorly maintained vehicles.

The 16 HA03AL powered the Range Rover L405 (2017–2022) and Range Rover Sport L494 (2017–2022) as the 5.0 SC. It was exclusive to these models and not used by other manufacturers. All units meet Euro 6d-Temp emissions standards.

Yes. The 16 HA03AL responds well to ECU remapping, typically gaining +40–70 kW on stock hardware. The Eaton TVS supercharger and forged internals support moderate increases. However, aggressive tuning without upgraded intercooling, fueling, or drivetrain components may reduce longevity and void warranty coverage.

Real-world consumption is ~17.2 L/100km (city) and ~11.8 L/100km (highway), or about 16 mpg UK combined. Expect 14–18 mpg (UK) depending on driving style and vehicle load. Premium 98 RON fuel is recommended for optimal performance and knock prevention.

Yes. The 16 HA03AL is an interference engine. If the timing chain fails or jumps, pistons can collide with open valves, causing severe internal damage. Regular inspection of chain tensioners and guides is essential to prevent catastrophic failure.

Land Rover specifies SAE 5W-30 synthetic oil meeting STJLR.03.5006. This formulation ensures proper lubrication of the supercharger and timing components. Oil should be changed every 15,000 km or annually, whichever comes first.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

RANGE-ROVER Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialRANGE-ROVER documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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