The Renault F9Q 800 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2001 and 2006. It features a cast iron block, aluminum cylinder head, and a fixed-geometry turbocharger, delivering outputs between 81–96 kW (110–130 PS). Common rail direct injection enables precise fuel metering for improved efficiency and strong low-rpm torque for everyday drivability.
Fitted to models such as the Mégane II, Scénic II, and Laguna II, the F9Q 800 was engineered for dependable daily transportation with an emphasis on mid-range pulling power and fuel economy. Emissions compliance was achieved through exhaust gas recirculation (EGR), allowing these units to meet Euro 3 standards across their production run.
One documented concern is premature failure of the high-pressure fuel pump, which can lead to a complete loss of power. This issue, referenced in Renault Service Bulletin 6012A, is often linked to fuel contamination or inadequate lubrication from low-quality diesel. Renault addressed this in later F9Q variants with revised pump internals and stricter fuel filtration.
Production years 2001–2006 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).
The Renault F9Q 800 is a 1,870 cc inline‑four turbo‑diesel engineered for compact and mid‑size family vehicles (2001-2006). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver strong mid‑range torque and frugal fuel consumption. Designed to meet Euro 3 standards, it prioritizes reliability and cost-effective ownership.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,870 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 80.0 mm × 93.0 mm | |
| Power output | 81–96 kW (110–130 PS) | |
| Torque | 240–300 Nm @ 1,750 rpm | |
| Fuel system | Bosch CP1 common‑rail (up to 1,350 bar) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 18.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single fixed‑geometry turbo (Garrett) | |
| Timing system | Belt-driven (requires scheduled replacement) | |
| Oil type | Renault RN0700 or RN0710 (SAE 5W‑40) | |
| Dry weight | 165 kg |
The fixed-geometry turbo provides predictable power delivery but lacks the low-RPM responsiveness of a VGT. Strict adherence to 15,000 km or annual oil changes with RN0700/RN0710 specification is critical to protect the high-pressure fuel pump and turbocharger. Ultra-low-sulfur diesel (ULSD) meeting EN 590 standards is mandatory to prevent pump seizure and injector clogging. The timing belt must be replaced at 120,000 km or 5 years to prevent catastrophic interference engine damage. Fuel filter changes every 60,000 km are recommended to safeguard the CP1 pump, as per Renault SIB 6012A.
Oil Specs: Requires Renault RN0700 or RN0710 (5W-40) specification (Renault SIB 6012A). ACEA B4 is the minimum acceptable standard.
Emissions: Euro 3 certification applies to all 2001–2006 models (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under EEC 80/1269 standards. Peak output requires fuel meeting EN 590 Class B+ (Renault TIS Doc. F9Q‑005).
Renault Technical Information System (TIS): Docs F9Q‑001, F9Q‑002, F9Q‑005, SIB 6012A
VCA Type Approval Database (VCA/EMS/5678)
European Economic Community Directive 80/1269/EEC
The Renault F9Q 800 was used across Renault's Mégane II and Laguna II platforms with transverse mounting. This engine received platform-specific adaptations-different engine mounts for the Scénic II MPV and revised exhaust manifolds for the Kangoo-creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, just below the cylinder head (Renault TIS F9Q‑006). The 8th VIN digit typically indicates engine displacement ('F' for 1.9L dCi). Visually, the F9Q 800 can be identified by its black plastic rocker cover with "dCi" branding and the Garrett turbocharger on the exhaust manifold. Critical differentiation from later F9Q variants: The F9Q 800 uses a Bosch CP1 high-pressure pump, while later engines (F9Q 802/804) use the CP3. Service parts, particularly for the fuel system and timing belt, are generally interchangeable within the 2001-2006 F9Q 800 production run but verify part numbers against the specific model and build date.
The F9Q 800's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel or exceeding service intervals. Renault internal reports from 2007 indicated a significant number of pumps required replacement before 150,000 km, while owner club data suggests EGR valve clogging is a frequent secondary issue. Extended oil change intervals and contaminated fuel make adherence to the RN0700/RN0710 oil specification and strict fuel filter changes critical.
Analysis derived from Renault technical bulletins (2005-2008) and owner club aggregated failure statistics (2010-2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT F9Q-800.
Comprehensive technical documentation and regulatory references
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RENAULT Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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
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