The Renault F4R 796 is a 1,998 cc, inline‑four naturally aspirated petrol engine produced between 2001 and 2008. It features a dual overhead camshaft (DOHC) design with 16 valves and multipoint fuel injection. This architecture delivers a balance of power and refinement, with outputs typically around 100 kW (136 PS) and 190 Nm of torque.
Fitted to models such as the Laguna II and Espace III, the F4R 796 was engineered for smooth, reliable performance in mid — size family vehi…
Production years 2001–2005 meet Euro 3 standards; 2006–2008 models meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/5679).
The Renault F4R 796 is a 1,998 cc inline‑four naturally aspirated petrol engine engineered for mid‑size sedans and MPVs (2001-2008). It combines DOHC 16-valve architecture with multipoint fuel injection to deliver smooth, linear power delivery and reliable everyday performance. Designed to meet Euro 3 and Euro 4 standards, it balances refinement with practical economy.
| 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 | 100 kW (136 PS) | |
Torque | 190 Nm @ 3,750 rpm | |
Fuel system | Multipoint Fuel Injection (MPI) | |
Emissions standard | Euro 3 (2001-2005); Euro 4 (2006-2008) | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain-driven | |
Oil type | Renault RN0700 or RN0710 (SAE 5W‑40) | |
Dry weight | 135 kg |
The Renault F4R 796 was used across Renault's Laguna II and Espace III platforms with transverse mounting. This engine received platform-specific adaptations-including different engine mounts and accessory layouts-and from 2006 received minor ECU updates for Euro 4 compliance, though core mechanicals remained unchanged. All adaptations are documented in OEM technical bulletins.
The F4R 796's primary reliability risk is premature exhaust camshaft lobe wear, particularly in early production (pre-2004). Renault internal service data indicated a notable incidence rate requiring camshaft replacement before 100,000 km in affected units. Extended oil change intervals or use of incorrect oil specification can exacerbate this wear, making adherence to service schedules critical.
Analysis derived from Renault technical bulletins (2002-2006) and UK DVSA failure statistics (2010-2020). 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
The F4R 796 is generally robust, but early models (pre-2004) are prone to exhaust camshaft wear. Engines that have had the camshaft replaced or are post-2004 are typically very reliable. Regular oil changes with the correct specification (RN0700/RN0710) are paramount for longevity, especially for early units.
The most critical issue is premature exhaust camshaft lobe wear on pre-2004 engines. Other common problems include timing chain tensioner rattle, failure of the plastic swirl flaps in the inlet manifold, and oil leaks from the rocker cover gasket. These are well-documented in Renault service information.
The F4R 796 was primarily used in the second-generation Renault Laguna (2001-2007) and the facelifted third-generation Espace (2001-2003). It was also fitted to the Renault Avantime (2001-2003). It powered the 2.0 16V petrol variants of these models.
Yes, moderately. The F4R 796 responds well to ECU remapping, often gaining 10-15 kW safely. Further gains are possible with intake and exhaust upgrades. However, its naturally aspirated design limits significant power increases without forced induction, which requires substantial modification.
Real-world fuel economy varies by model and driving style. In a Laguna II, expect around 8.5-9.5 L/100km (30-33 mpg UK) in mixed driving. Highway cruising can yield 6.5-7.5 L/100km (38-43 mpg UK). City driving will be higher, typically 10-12 L/100km (24-28 mpg UK).
Yes. The F4R 796 is an interference engine. If the timing chain fails or jumps, the pistons will collide with the open valves, causing catastrophic internal engine damage. This underscores the importance of addressing any timing chain rattle immediately.
Renault specifies oil meeting RN0700 or RN0710 standards, typically a 5W-40 synthetic or semi-synthetic. Using the correct oil is crucial, especially for pre-2004 engines, to help mitigate the risk of camshaft wear. Change intervals should not exceed 15,000 km or 1 year.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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