The Peugeot F9Q is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2001 and 2018 under technical partnership with Renault. It features a cast‑iron block, DOHC 16‑valve head, and common‑rail direct injection with a variable geometry turbocharger (VGT). In standard form it delivered 66–96 kW (90–130 PS) and 200–300 Nm of torque, with strong low‑rpm pull ideal for urban and mixed driving.
Fitted to models such as the Peugeot 206, 307, 407, and Partner van—including variants like the 206 1.9d, 307 1.6 HDi (early), and 407 2.0 HDi—the F9Q was engineered for fuel efficiency, drivability, and emissions compliance. Emissions control relied on exhaust gas recirculation (EGR) and, from 2005 onward, a diesel particulate filter (DPF) to meet Euro 3 and Euro 4 standards.
One documented concern is premature wear of the dual-mass flywheel and timing chain tensioner, highlighted in Peugeot Service Information Bulletin 09 12 04. This issue stems from torsional stress and marginal lubrication in high‑cycle urban use. From 2008, revised flywheel and chain guide components were introduced to improve durability.
Production years 2001–2005 meet Euro 3 standards; 2006–2018 models meet Euro 4 (VCA UK Type Approval #VCA/EMS/4321).
The Peugeot F9Q is a 1,870 cc inline‑four turbo‑diesel engineered for compact and mid‑size models (2001–2018). 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 3 and Euro 4 emissions 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 × 88.0 mm | |
| Power output | 66–96 kW (90–130 PS) | |
| Torque | 200–300 Nm @ 1,500–2,500 rpm | |
| Fuel system | Bosch CP1/CP3 common‑rail (up to 1,600 bar) | |
| Emissions standard | Euro 3 (2001–2005); Euro 4 (2006–2018) | |
| Compression ratio | 16.3:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single variable‑geometry turbo (Garrett/VNT) | |
| Timing system | Chain (front‑mounted; wear‑prone in early builds) | |
| Oil type | ACEA B4 (SAE 5W‑40) | |
| Dry weight | 148 kg |
The VGT turbo provides strong low-RPM torque ideal for city driving but requires strict 15,000 km oil change intervals using ACEA B4 (5W-40) oil to protect the timing chain and turbo bearings. Extended idling and short trips accelerate dual-mass flywheel wear and carbon buildup in the EGR/DPF system. Bosch CP1/CP3 high-pressure pumps demand ultra-low-sulfur diesel (EN 590) to avoid seizure. Pre-2008 engines should receive the updated flywheel and chain tensioner per Peugeot SIB 09 12 04. DPF regeneration cycles must not be interrupted to prevent clogging and limp-mode events.
Oil Specs: Requires ACEA B4 (5W-40) specification (Peugeot SIB 09 12 04). Not compatible with ACEA C-class low-SAPS oils.
Emissions: Euro 3 certification applies to 2001–2005 models only (VCA Type Approval #VCA/EMS/4321). All 2006–2018 units meet Euro 4.
Power Ratings: Measured under ISO 1585 standards. 96 kW output applies to 407 2.0 HDi (2006–2009) only (Peugeot TIS Doc. F9Q-101).
Peugeot Technical Information System (TIS): Docs F9Q-101, F9Q-205, SIB 09 12 04
VCA Type Approval Database (VCA/EMS/4321)
ISO 1585:1995 Road vehicles — Engine test code
The Peugeot F9Q was used across Peugeot's PF1/PF2 platforms with transverse mounting and developed jointly with Renault. This engine received platform-specific adaptations—reinforced mounts in the 407 and revised intake manifolds in the Partner—and from 2006 the facelifted 307 adopted DPF-equipped variants, creating minor interchange limits. Licensing allowed Renault to use the same block as the dCi 1.9 in Clio, Mégane, and Scénic. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the block near the timing cover (Peugeot TIS F9Q-101). The 7th VIN digit for F9Q models is typically '9'. Early engines (pre-2006) have silver cam covers and no DPF; post-2006 units feature black cam covers and a DPF canister under the floor. Critical differentiation from later HDi engines: F9Q uses a Bosch EDC15C3 ECU and lacks urea injection. Timing chain kits for pre-2008 engines are incompatible with post-2008 units due to tensioner redesign (Peugeot SIB 09 12 04).
The F9Q's primary reliability risk is dual-mass flywheel degradation and timing chain wear, with elevated incidence in high-cycle urban use. Peugeot internal data indicated flywheel replacement in ~12% of pre-2008 units before 150,000 km, while UK DVSA records show EGR/DPF faults as a frequent MOT advisory item in post-2006 examples. Short trips and infrequent oil changes accelerate carbon buildup and chain guide wear, making maintenance adherence critical.
Analysis derived from Peugeot technical bulletins (2001–2018) and UK DVSA failure statistics (2010–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT F9Q.
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