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 performanc…
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 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.
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.
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Generally yes, with one notable exception. The engine itself is robust, but the high-pressure fuel pump is a known failure point, often failing between 100,000–150,000 km. Once this is addressed with the updated part, the engine can be very durable. Regular oil changes with RN0700 spec oil are crucial for longevity.
The most frequent issue is the failing high-pressure fuel pump, causing hard starting or power loss. Other common problems include ignition coil failures (misfires), coolant leaks from the plastic thermostat housing, and corroded exhaust manifold studs. These are well-documented in Renault service information.
The F4R 797 was primarily used in the facelifted third-generation (MkIII) Renault Megane and Scenic (2010-2016), as well as the first-generation Renault Captur (2013-2018) and Kadjar (2015-2018) in 2.0-litre variants.
Yes, it has modest tuning potential. Simple ECU remaps can yield gains of 10-15 kW. More extensive modifications are less common due to its naturally aspirated design. Reliability post-tune depends heavily on maintenance and using high-quality fuel.
Official combined figures range from ~7.0 L/100km for the Megane/Scenic to ~7.5 L/100km for the heavier Captur/Kadjar. Real-world consumption varies: expect 8.0-9.5 L/100km (30-35 mpg UK) in mixed driving, depending on model, driving style, and vehicle condition.
Yes. Like virtually all modern DOHC engines, the F4R 797 is an interference design. If the timing chain were to fail catastrophically (which is rare), the pistons would collide with the valves, causing severe internal engine damage requiring a rebuild.
Renault mandates oil meeting the RN0700 specification, typically a 5W-40 synthetic. Using the correct oil is vital for protecting the timing chain tensioner and, critically, the variable cam timing (dephaser) system. Change intervals should not exceed 15,000 km or 1 year.
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