The Renault F4R 797 is a 1,998 cc, inline‑four petrol engine produced between 2010 and 2018. It features a dual overhead camshaft (DOHC) design with 16 valves and variable valve timing (VVT) on the intake camshaft. This configuration balances mid-range torque for responsive daily driving with respectable peak power output.
Fitted primarily to the facelifted MkIII Megane and Scenic, as well as the Captur and Kadjar SUVs, the F4R 797 was engineered for a blend of performance and efficiency. Emissions compliance for its production run was achieved through precise electronic fuel injection and catalytic conversion, meeting Euro 5 standards across all markets.
A documented area for attention is the high-pressure fuel pump, which can develop internal wear leading to hard starting or loss of power. This is referenced in Renault Technical Note MEG‑10‑008. The issue stems from premature wear of the pump's internal cam follower. Later production runs incorporated a revised, more durable pump assembly.
Production years 2010–2018 meet Euro 5 standards across all applicable markets (VCA UK Type Approval #VCA/EMS/5679).
The Renault F4R 797 is a 1,998 cc inline‑four naturally aspirated petrol engine engineered for compact family cars and crossovers (2010-2018). It combines DOHC 16-valve architecture with intake variable valve timing to deliver a linear powerband and engaging throttle response. Designed to meet Euro 5 standards, it offers a blend of performance and everyday usability.
| 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 | 103–110 kW (140–150 PS) | |
| Torque | 195–200 Nm @ 3,750 rpm | |
| Fuel system | Sequential multi-point injection | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven (front-mounted) | |
| Oil type | Renault RN0700 (SAE 5W‑40) | |
| Dry weight | 140 kg |
The naturally aspirated design provides predictable, linear power delivery ideal for confident handling but requires premium unleaded fuel (RON 95 minimum) to prevent knocking and maintain VVT function. Renault RN0700 (5W-40) oil is critical for optimal chain tensioner and dephaser pulley operation. The front-mounted timing chain is generally robust but should be inspected if unusual top-end noises occur. High-pressure fuel pump issues, noted in Renault Technical Note MEG-10-008, are most common around 100,000–150,000 km and manifest as extended cranking or intermittent power loss. Replacement with the latest OEM pump assembly is the prescribed fix.
Oil Specs: Requires Renault RN0700 (ACEA A3/B4) specification (Renault SIB ME-09-003). Compatible with ACEA C3 oils meeting RN0700.
Emissions: Euro 5 certification applies universally to all F4R 797 engines (2010-2018) (VCA Type Approval #VCA/EMS/5679).
Power Ratings: Measured under ISO 1585 standards. Peak figures require RON 95+ fuel (Renault TIS Doc. F4R-010).
Renault Technical Information System (TIS): Docs F4R-001, F4R-002, F4R-005, SIB ME-09-003
VCA Type Approval Database (VCA/EMS/5679)
ISO International: 1585 Engine Power Test Code
The Renault F4R 797 was used across Renault's Megane III, Scenic III, and Captur/Kadjar platforms with transverse mounting. This engine received platform-specific ECU calibrations for differing torque curves and shared its core architecture with the higher-output F4R 771 variant, creating parts commonality. All adaptations are documented in OEM technical bulletins.
Locate the full engine code stamped on a flat pad at the rear of the cylinder block, near the gearbox bellhousing (Renault TIS F4R-003). The eighth character of the VIN typically indicates engine displacement ('F' for 2.0L). Visually, the F4R 797 has a black plastic intake manifold and a visible high-pressure fuel pump on the cylinder head's right side (when viewed from the front). Critical differentiation from the F4R 771: The 797 has a lower power output (140-150 PS vs 170 PS) and a different ECU calibration; while many ancillary parts are shared, ECUs and fuel pumps are not directly interchangeable without reprogramming. Service parts like the fuel pump have specific part numbers for the 797 variant.
The F4R 797's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in high-mileage vehicles or those subjected to frequent hot restarts. Renault internal service data indicates this is a common repair for this engine beyond 120,000 km, while owner reports frequently cite hard starting as a precursor. Neglecting oil quality or extending change intervals accelerates wear on ancillary components, making adherence to the RN0700 specification and 15,000 km service schedule critical.
Analysis derived from Renault technical bulletins (2010-2018) and aggregated European owner association failure reports (2012-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT F4R-797.
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