The Renault F9Q 818 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2007 and 2011. It features a cast iron block, aluminium cylinder head, common rail direct injection, and a variable geometry turbocharger (VGT). In standard European specification, it produced 96 kW (130 PS) and 300 Nm of torque, offering a balance of performance and fuel economy for its class.
Fitted primarily to the Renault Mégane III and Scénic III, the F9Q 818 was engineered for respons…
Production years 2007–2011 meet Euro 4 standards .
The Renault F9Q 818 is a 1,870 cc inline‑four turbo‑diesel engineered for compact MPVs and hatchbacks (2007-2011). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong mid-range torque and efficient highway cruising. Designed to meet Euro 4 standards, it balances everyday drivability with fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,870 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 82.0 mm × 88.4 mm | |
Power output | 96 kW (130 PS) | |
Torque | 300 Nm @ 1,750 rpm | |
Fuel system | Siemens VDO common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 4 | |
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 818 was used across Renault's Mégane III and Scénic III platforms with transverse mounting. This engine received platform-specific adaptations-minor ECU mapping variations for different body styles-and no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
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The F9Q 818's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel. Renault service data indicates a notable number of pump replacements under warranty, while owner reports frequently cite stalling and hard starting as precursors. Fuel contamination and infrequent filter changes make adherence to fuel quality and maintenance schedules critical.
Analysis derived from Renault technical bulletins (2008-2012) and owner-reported failure data (2010-2023). 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 818 offers good performance but has a known weakness in its high-pressure fuel pump, particularly in early models or with poor fuel quality. With strict adherence to maintenance, using high-quality diesel and OEM filters, and addressing EGR issues promptly, it can be a dependable engine. Later examples or those with a replaced pump tend to be more robust.
The most frequent issues are high-pressure fuel pump failure, EGR valve and cooler clogging leading to performance loss, and turbocharger actuator faults causing boost problems. Glow plug failures are also common as the engine ages. These are well-documented in Renault service information and owner communities.
The F9Q 818 1.9 dCi 130 engine was primarily used in the Renault Mégane III (2008-2011) and Scénic III (2009-2011). It was the higher-output variant of the 1.9 dCi family for these models during that specific production period.
Aftermarket ECU tuning is common on the F9Q-818 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Official combined figures for the Mégane III 1.9 dCi 130 are around 5.3 L/100km (53 mpg UK). Real-world consumption typically ranges from 5.8-6.5 L/100km (43-48 mpg UK) in mixed driving, depending heavily on driving style and DPF regeneration cycles.
Yes. The F9Q 818 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 timing chain is generally very durable with proper oil changes.
Renault mandates the use of RN0700 specification oil, typically a 5W-30 synthetic grade meeting ACEA C3 standards. Using the correct low-ash oil is crucial for protecting the DPF and ensuring the longevity of the turbocharger and timing chain.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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
Type-approval guidance and documentation.
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