The Renault F4P 774 is a 1,998 cc, inline‑four petrol engine produced between 1996 and 2001. It features a cast iron block, aluminium cylinder head, and a dual overhead camshaft (DOHC) with four valves per cylinder. In standard form, it delivered approximately 98 kW (133 PS) and 180 Nm of torque, offering a noticeable step up in performance and refinement over its SOHC predecessors.
Fitted to models such as the Renault Laguna MkI and Renault Scénic, the F4P 774 was engineered for drivers seeking a more responsive and refined driving experience. It offered improved high-RPM power delivery and better fuel efficiency compared to the older F3R series. Emissions compliance for its production period was managed through advanced engine management and exhaust systems, meeting Euro 2 standards.
One documented concern is premature failure of the exhaust manifold studs, which can lead to exhaust leaks and potential damage to the catalytic converter. This issue, referenced in Renault Service Bulletin SB 98-045, is often attributed to thermal cycling and material fatigue. The engine was succeeded by the updated F4R series, which featured revised manifold designs and other refinements.

Production years 1996–2001 meet Euro 2 emissions standards as per European Commission Directive 94/12/EC.
The Renault F4P 774 is a 1,998 cc inline‑four petrol engine engineered for mid‑size hatchbacks and MPVs (1996-2001). It combines a DOHC 16-valve valvetrain with multi-point fuel injection to deliver improved performance and efficiency. Designed to meet Euro 2 emissions regulations, it represents a significant evolution from the earlier SOHC F3R engines.
| Parameter | Value | Source |
|---|---|---|
| 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 | 98 kW (133 PS) @ 5,500 rpm | |
| Torque | 180 Nm @ 3,750 rpm | |
| Fuel system | Multi-point fuel injection | |
| Emissions standard | Euro 2 | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt-driven | |
| Oil type | SAE 10W-40 (mineral or semi-synthetic) | |
| Dry weight | Not available in OEM documentation |
The DOHC 16-valve design provides a broader, more responsive power band compared to SOHC engines, making it more engaging to drive. Strict adherence to the 60,000 km timing belt replacement interval is critical to prevent failure. Using the specified 10W-40 oil ensures proper lubrication. The engine's known weakness is the exhaust manifold; inspecting for stud breakage or leaks during routine service is advisable. The non-interference design prevents catastrophic damage if the timing belt fails.
Oil Specs: Requires SAE 10W-40 mineral or semi-synthetic oil (Renault Owner's Manual). ACEA A3 specification is suitable.
Emissions: Compliance with Euro 2 applies to all production years (European Commission Directive 94/12/EC).
Power Ratings: Measured under EEC 80/1269 standards (European Commission Directive 80/1269/EEC).
Renault Technical Workshop Manual: F4P Engine
Renault EPC (Electronic Parts Catalogue)
Renault Owner's Manual: Laguna/Scénic
European Commission: Directives 94/12/EC, 80/1269/EEC
The Renault F4P 774 was used across Renault's Laguna and Scénic platforms with transverse mounting. This engine received platform-specific adaptations-such as different intake manifolds and engine mounts-and was succeeded by the F4R engine, creating clear generational boundaries. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the front of the cylinder block, near the gearbox flange. The full code "F4P 774" should be clearly visible. Visually, it can be identified by its twin camshaft covers and distributorless ignition system with individual coil packs. It is distinct from the smaller F3P (1.8L) and the later, more powerful F4R engines. Always verify the code stamping, as visual identification alone can be misleading.
The F4P 774's primary reliability risk is timing belt failure if neglected, with a secondary concern being exhaust manifold stud breakage. Renault service data from the late 1990s indicated a high correlation between missed belt changes and roadside breakdowns. While the non-interference design prevents engine destruction, neglecting this service makes unexpected immobilisation critical. Exhaust manifold issues, while not catastrophic, can lead to costly catalytic converter damage.
Analysis derived from Renault technical bulletins (1996-2001) and owner workshop manuals. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT F4P-774.
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