The Renault F9Q 820 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2007 and 2011. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts. Output ranges from 96 kW (130 PS) to 110 kW (150 PS), with torque figures between 300 — 320 Nm, providing strong low — rpm pull for everyday drivability.
Fitted to models such as the Mégane III, Scénic III, and Laguna III, the F9Q 820 was engineered for a balance of fuel e…
Production years 2007–2009 meet Euro 4 standards; 2010–2011 models may have Euro 5 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Renault F9Q 820 is a 1,870 cc inline‑four turbo‑diesel engineered for compact and mid‑size models (2007-2011). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and efficient cruising. Designed to meet Euro 4 (and some market‑specific Euro 5) standards, it balances everyday performance with economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,870 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 81.0 mm × 90.4 mm | |
Power output | 96–110 kW (130–150 PS) | |
Torque | 300–320 Nm @ 1,750–2,500 rpm | |
Fuel system | Siemens/VDO common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 4 (pre‑2010); Euro 5 depending on market | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain (front‑mounted) | |
Oil type | Renault RN0700 (SAE 5W‑30) | |
Dry weight | 148 kg |
The Renault F9Q 820 was used across Renault's Mégane III/Scénic III platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Laguna III-and from 2010 the facelifted Mégane III models adopted minor ECU revisions for emissions, creating potential software compatibility limits. All adaptations are documented in OEM technical bulletins.
The F9Q 820's primary reliability risk is high-pressure fuel pump failure on early builds, with elevated incidence in vehicles using poor-quality fuel. Renault internal reports indicated a notable failure rate before 100,000 km for pre-2009 units, while UK DVSA records show a correlation between DPF-related faults and short-trip driving cycles. Using non-compliant fuel and neglecting oil changes significantly increase the risk of pump and turbo failure, making adherence to service schedules critical.
Analysis derived from Renault technical bulletins (2008-2012) and UK DVSA failure statistics (2015-2023). 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 F9Q 820 is generally robust with good torque, but early models (2007-2009) are prone to fuel pump failures. Later revisions and strict adherence to using RN0700 5W-30 oil and high-quality diesel greatly improve longevity. Regular, timely servicing is paramount for long-term reliability.
The most frequent issues are high-pressure fuel pump failure (especially pre-2009), EGR valve/cooler clogging leading to poor running, turbo actuator faults causing boost problems, and glow plug failures affecting cold starts. These are covered in Renault service documentation.
The F9Q 820 was primarily used in the Renault Mégane III (2008-2010), Scénic III (2009-2011), and Laguna III (2007-2010), typically badged as dCi 130 or dCi 150. It was also found in the first-generation Nissan Qashqai (2007-2010) as the 1.9 dCi 130 PS engine.
Yes, the F9Q 820 responds well to ECU remapping. Stage 1 tunes can safely increase power to around 170-180 PS and torque to 380-400 Nm. The stock turbo and internals are generally capable of handling this. More aggressive tuning requires supporting modifications like an upgraded intercooler.
Fuel economy is very good. In a Mégane III dCi 130, expect around 5.5 L/100km (city) and 4.2 L/100km (highway), translating to roughly 51 mpg UK combined. Real-world figures vary with driving style, but 45-55 mpg UK is typical for mixed driving in a well-maintained vehicle.
Yes. The F9Q 820 is an interference engine. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing catastrophic internal engine damage. Fortunately, the chain is robust and rarely fails if oil is changed regularly.
Renault mandates the use of RN0700 specification 5W-30 synthetic oil. This specific formulation is crucial for protecting the turbocharger, high-pressure fuel pump, and timing chain. Using the correct oil and changing it every 20,000 km (or annually) is essential for engine health.
Comprehensive technical documentation and regulatory references
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RENAULT Official Site
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
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DVLA: Engine Changes & MoT
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Vehicle Certification Agency (VCA)
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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