The Renault F4R 730 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 103 kW (140 PS) and 185 Nm of torque, offering a refined and responsive driving experience for its class.
Fitted to models such as the Renault Laguna MkI and Renault Scénic, the F4R 730 was engineered for drivers seekin…
Production years 1996–2001 meet Euro 2 emissions standards as per European Commission Directive 94/12/EC.
The Renault F4R 730 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 | 103 kW (140 PS) @ 5,500 rpm | |
Torque | 185 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 | Refer to vehicle handbook / manufacturer specification | |
Dry weight | Not available in OEM documentation |
The Renault F4R 730 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 732 engine, creating clear generational boundaries. All adaptations are documented in OEM technical bulletins.
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The F4R 730'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.
The most common questions about engine codes, what they mean, how to find them and how this database works
Yes, the F4R 730 is generally reliable long-term if basic maintenance is performed. Its DOHC design is robust. The most critical factors are adhering to the timing belt replacement schedule and addressing any exhaust manifold stud issues promptly to avoid further damage.
The most common issues are timing belt/tensioner wear, exhaust manifold stud failure (leading to leaks), oil leaks from the rocker cover gasket, and ignition coil pack failures. These are well-documented in Renault service literature.
The F4R 730 was primarily used in the first-generation Renault Laguna (1996-2000) and the first-generation Renault Scénic (1996-2001). It was typically found in higher trim levels like the RT and Dynamique, offering more power than the base engines.
Aftermarket ECU tuning is common on the F4R-730 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Fuel economy is reasonable for its performance. Expect around 10.5 L/100km (27 mpg UK) in city driving and 7.0 L/100km (40 mpg UK) on the highway. Combined figures typically fall between 8.5-9.5 L/100km (30-33 mpg UK), depending on the vehicle model and driving style.
No. The Renault F4R 730 is a non-interference engine. This is a key safety feature. If the timing belt breaks, the pistons and valves will not collide, preventing catastrophic internal damage to the engine block or cylinder head.
Renault recommends a good quality mineral or semi-synthetic 10W-40 engine oil. An oil meeting the ACEA A3 specification is suitable. Regular oil changes (every 10,000 km or annually) are more important than using expensive fully synthetic oil for this engine.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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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