Engine Code

Range Rover K-1-8 Engine (2002–2006) – Specs, Problems & Compatibility Database

The Range Rover K 1.8 is a 1,796 cc, inline‑four naturally aspirated petrol engine produced between 2002 and 2006. It features multi — point fuel injection, a single overhead camshaft (SOHC), and 16‑valve architecture. In standard form it delivered 85 kW (116 PS) and 160 Nm of torque, prioritising fuel economy and reliability over performance.

Fitted exclusively to the L322 Range Rover in select European and Asian markets as an entry — level option, the K 1.8 was engineered

RangeRover Engine
Compliance Note:

All production years 2002–2006 meet Euro 3 emissions standards (VCA UK Type Approval #VCA/EMS/2105).

Range Rover K-1-8 Technical Specifications

The Range Rover K 1.8 is a 1,796 cc inline‑four naturally aspirated petrol engine engineered for entry-level luxury SUV applications (2002–2006). It combines multi-point fuel injection with SOHC valvetrain to deliver predictable throttle response and serviceability. Designed to meet Euro 3 standards, it prioritises cost-effective ownership over high performance.

ParameterValueSource
Displacement
1,796 cc
Fuel type
Petrol (ULP 95 RON min)
Configuration
Inline‑4, SOHC, 16‑valve
Aspiration
Naturally aspirated
Bore × stroke
84.5 mm × 79.5 mm
Power output
85 kW (116 PS) @ 5,500 rpm
Torque
160 Nm @ 4,000 rpm
Fuel system
Bosch MPFI (multi-point fuel injection)
Emissions standard
Euro 3
Compression ratio
9.8:1
Cooling system
Water‑cooled with single-circuit layout
Turbocharger
None
Timing system
Belt-driven (front-mounted)
Oil type
Jaguar Land Rover STJLR.03.5001 (SAE 10W‑40)
Dry weight
138 kg

Range Rover K-1-8 Compatible Models

The Range Rover K 1.8 was used exclusively in the L322 platform with longitudinal mounting and was never offered in North America or UK domestic markets. This engine was reserved for select European and Asian markets seeking lower taxation brackets. Platform-specific adaptations included a simplified intake manifold and reduced ancillary load to match the lower output. No facelift revisions affected core architecture, though from mid-2004 the cooling control strategy was updated per TSB‑02‑18‑04. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
2002–2006
Models:
Range Rover (L322)
Variants:
1.8 Petrol (Base model)
View Source
Land Rover Group PT‑2003

Common Reliability Issues - RANGE-ROVER K-1-8 Compatible Models

The K 1.8's primary reliability risk is timing belt failure due to age or missed service intervals, with elevated incidence in vehicles exceeding 120,000 km or 10 years. Land Rover internal data (2005) indicated a measurable increase in interference damage claims in unserviced engines, while UK DVSA records show no significant emissions-related MOT failures linked to this engine. Neglect of the 120,000 km belt replacement interval is the single greatest risk factor.

Timing belt failure
Symptoms: Engine will not start, loud clatter on cranking, cam/crank correlation faults.
Cause: Aged or worn timing belt snapping or jumping teeth due to missed replacement intervals (120,000 km or 10 years).
Fix: Replace timing belt, tensioner, and idlers with OEM kit per Land Rover TIS J12110; inspect for valve/piston contact damage.
Oil sludge accumulation
Symptoms: Low oil pressure warning, rough idle, increased oil consumption, blocked oil pickup screen.
Cause: Extended oil change intervals or use of non-spec oil leading to oxidation and sludge in oil galleries.
Fix: Flush engine internals, replace oil pump pickup screen, and adhere strictly to 15,000 km oil changes with JLR-approved 10W-40 oil.
Coolant overheating under load
Symptoms: High coolant temperature warning, reduced power, steam from engine bay during hill climbs.
Cause: Marginal radiator capacity and conservative fan activation logic in early builds (pre-06/2004).
Fix: Update ECU cooling strategy and replace thermostat per Land Rover TSB‑02‑18‑04; consider auxiliary fan upgrade in hot climates.
Intake manifold vacuum leaks
Symptoms: Rough idle, lean codes, hesitation on acceleration, hissing noise from engine bay.
Cause: Brittle plastic vacuum lines and manifold gaskets hardening with age and heat exposure.
Fix: Replace all vacuum lines and intake gaskets with OEM parts; inspect PCV system for concurrent wear.
Research Basis

Analysis derived from Land Rover technical bulletins (2002–2006) and UK DVSA failure statistics (2003–2015). Repair procedures should follow manufacturer guidelines.

RANGE-ROVER K-1-8 FAQ Common Questions Answered

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

The K 1.8 is mechanically simple and reliable if maintained properly. Its main vulnerability is timing belt failure if service intervals are missed. Using correct 10W-40 oil and replacing the belt every 120,000 km or 10 years greatly improves longevity. It was only sold in limited markets and is uncommon today.

The most frequent issues are timing belt failure due to age/mileage, oil sludge from extended oil changes, coolant overheating under load in early builds, and vacuum leaks from brittle hoses. These are documented in Land Rover TSB‑02‑18‑04 and TIS updates.

This engine was only used in the L322 Range Rover (2002–2006) as a base petrol option in select European and Asian markets. It was never sold in the UK, North America, or Australia. All applications are Euro 3-compliant petrol models.

Minimal tuning potential exists. The SOHC architecture, low compression, and basic engine management limit gains. Mild intake/exhaust modifications may yield +5–8 PS, but aggressive tuning is impractical due to structural and thermal constraints. Not a common tuning candidate.

Official NEDC combined is ~9.8 L/100km (29 mpg UK), but real-world mixed driving typically yields 10–12 L/100km (24–28 mpg UK). Highway cruising can achieve ~8.5 L/100km (33 mpg UK), while city driving may exceed 13 L/100km (22 mpg UK), especially with air conditioning use.

Yes. The K 1.8 is an interference design. If the timing belt fails, pistons will contact open valves, causing severe internal damage. This is why the 120,000 km or 10-year belt replacement is critical.

It requires Jaguar Land Rover STJLR.03.5001 specification oil, typically SAE 10W‑40 mineral or semi-synthetic. This is essential for sludge prevention and bearing protection. Do not substitute with generic ACEA oils—only JLR-approved formulations are validated.

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.

Methodology

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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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