Engine Code

Renault F4P-771 Engine (1996–2001) – Specs, Problems & Compatibility Database

The Renault F4P 771 is a 1,998 cc, inline‑four petrol engine produced between 1996 and 2001. It features a cast iron block, aluminium head, and double overhead camshafts (DOHC) with four valves per cylinder. Output was typically 92 kW (125 PS), delivering a balance of performance and refinement for its era's compact executive vehicles.

Fitted to models such as the Laguna I and Mégane I, the F4P 771 was engineered for responsive, smooth motoring. Its 16 — valve design priorit

Renault Engine
Compliance Note:

Production years 1996–2001 meet Euro 2 emissions standards for their respective model years and markets (VCA UK Type Approval data for specific chassis codes).

Renault F4P-771 Technical Specifications

The Renault F4P 771 is a 1,998 cc inline‑four petrol engine engineered for mid-size family vehicles (1996-2001). It combines a robust cast iron block with a DOHC 16-valve head to deliver smooth, higher-RPM power. Designed to meet Euro 2 emissions regulations, it balances performance with the environmental standards of its time.

ParameterValueSource
Displacement
1,998 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Naturally aspirated
Bore × stroke
82.7 mm × 93.0 mm
Power output
92 kW (125 PS)
Torque
170 Nm @ 4,500 rpm
Fuel system
Multi-point fuel injection
Emissions standard
Euro 2
Compression ratio
9.8:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Belt-driven camshafts
Oil type
10W-40 mineral or semi-synthetic
Dry weight
Not specified in available OEM docs

Renault F4P-771 Compatible Models

The Renault F4P 771 was used across Renault's Laguna and Mégane platforms with transverse mounting. This engine received platform-specific adaptations, such as different intake manifolds and ancillary layouts between the Laguna and Mégane, creating minor service part variations. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
1996–2001
Models:
Laguna I (B502)
Variants:
RN, RT, RXE
View Source
Renault ETK Doc. F4P-771
Make:
Renault
Years:
1996–2001
Models:
Mégane I (BA/BB0/1)
Variants:
RN, RT, Expression
View Source
Renault ETK Doc. F4P-771

Common Reliability Issues - RENAULT F4P-771 Compatible Models

The F4P 771's primary reliability risk is timing belt failure due to neglected replacement intervals. As an interference engine, this can cause catastrophic internal damage. Its design is generally robust, but neglecting basic maintenance like oil changes and cooling system care can lead to premature wear. Using poor-quality fuel can also affect the injection system.

Timing belt failure
Symptoms: Engine suddenly stops running, loud clattering noise if belt breaks while running.
Cause: Failure to replace the timing belt at the recommended 60,000 km or 4-year interval, leading to belt snapping or teeth shearing.
Fix: Replace the timing belt, tensioners, and idler pulleys as a complete kit using OEM parts; replace the water pump at the same time as preventative maintenance.
Fuel injector clogging or failure
Symptoms: Poor running, hesitation, stalling, increased fuel consumption, check engine light.
Cause: Clogged injectors due to poor fuel quality or age; electrical failure of injector coils.
Fix: Clean or replace faulty fuel injectors; ensure fuel filter is changed regularly.
Cooling system leaks or failure
Symptoms: Overheating, coolant loss, sweet smell, visible leaks from hoses or radiator.
Cause: Ageing hoses, radiator corrosion, or water pump seal failure.
Fix: Inspect and replace leaking hoses, radiator, or water pump; flush and refill cooling system with correct coolant.
Oil leaks from valve cover or sump
Symptoms: Oil stains on engine, drips on ground, burning oil smell.
Cause: Hardened or cracked valve cover gasket or sump gasket due to age and heat.
Fix: Replace valve cover and/or sump gasket; ensure mating surfaces are clean and flat before reassembly.
Research Basis

Analysis derived from Renault technical bulletins (1996-2001) and general industry repair data. Repair procedures should follow manufacturer guidelines.

RENAULT F4P-771 FAQ Common Questions Answered

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

Yes, the F4P 771 is generally reliable when properly maintained. Its DOHC 16-valve design is robust. The single most critical factor for longevity is adhering strictly to the 60,000 km (or 4-year) timing belt replacement schedule, including tensioners and the water pump. With this maintenance performed, many examples have exceeded 250,000 km.

The most critical issue is timing belt failure if not replaced on schedule, which can destroy the engine. Other common problems include fuel injector clogging, cooling system leaks from hoses or the radiator, and oil leaks from the valve cover gasket. These are well-documented in Renault service literature.

The F4P 771 2.0L petrol engine was primarily used in the first-generation Renault Laguna (1996-2001) and the first-generation Renault Mégane (1996-2001). It was typically fitted to mid-to-high trim levels like RT and RXE, offering more power than the smaller 1.6L and 1.8L engines.

Minor tuning is possible, such as fitting a performance exhaust or air filter, which might yield small gains. Significant power increases are difficult and costly. It's generally more practical to focus on maintaining its smooth, reliable nature rather than pursuing major power upgrades.

Fuel economy is average for a 2.0L petrol engine of its era. Expect around 8.5-9.5 L/100km (30-33 mpg UK) combined for a Laguna or Mégane in good condition. Actual figures depend heavily on driving style, vehicle condition, and traffic conditions. City driving will be less efficient.

Yes. The Renault F4P 771 is an interference engine. This means that if the timing belt fails, the pistons and valves will collide, causing severe internal engine damage that is often beyond economical repair. Strict adherence to the timing belt replacement interval is absolutely critical.

Renault typically recommended a 10W-40 mineral or semi-synthetic oil for the F4P 771. Modern, high-quality 10W-40 oils meeting ACEA A3/B4 specifications are perfectly suitable. Regular oil and filter changes (e.g., every 10,000 km or annually) are crucial for maintaining engine health and longevity.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

RENAULT 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 officialRENAULT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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