The Peugeot AHM (DW10FUE) is a 1,997 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. It features a high — pressure common — rail fuel system, a variable geometry turbocharger (VGT), and a dual overhead camshaft (DOHC) design. Output ranges from 120 kW (163 PS) to 133 kW (181 PS), with peak torque figures of 340–400 Nm, providing strong pulling power for larger vehicles.
Fitted to models like the 508 sedan, 3008 SUV, and Partner van, the AHM was engineered f…
Production years 2010–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Peugeot AHM (DW10FUE) is a 1,997 cc inline‑four turbo‑diesel engineered for mid‑size sedans and SUVs (2010-2018). It combines common‑rail direct injection with a variable‑geometry turbocharger to deliver robust low-end torque and smooth highway cruising. Designed to meet Euro 5 standards, it balances performance with operational economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,997 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 85.0 mm × 88.0 mm | |
Power output | 120–133 kW (163–181 PS) | |
Torque | 340–400 Nm @ 1,750–3,000 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Honeywell) | |
Timing system | Chain-driven | |
Oil type | PSA B71 2290 (SAE 5W‑30) | |
Dry weight | 168 kg |
The Peugeot AHM (DW10FUE) was used across Peugeot's PF2/PF3 platforms with transverse mounting. This engine received platform-specific adaptations-reinforced mounts in the 508 and revised cooling in the 3008-creating minor service part variations. All adaptations are documented in OEM technical bulletins.
The AHM's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel. Peugeot internal reports indicate a notable failure rate before 150,000 km, while UK DVSA data shows DPF-related faults are common in urban-driven examples. Extended short trips and incorrect oil viscosity increase pump and DPF stress, making fuel quality and maintenance adherence critical.
Analysis derived from Peugeot technical bulletins (2012-2018) 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 AHM offers strong performance and refinement, but its long-term reliability hinges on the high-pressure fuel pump. With strict adherence to fuel quality (EN 590) and oil change intervals (PSA B71 2290), well-maintained examples can exceed 200,000 km. Neglect significantly increases the risk of costly pump failure.
The most frequent issues are high-pressure fuel pump (CP4.2) failure, EGR valve/carbon buildup, and DPF blockage from short trips. Turbo actuator faults are also common. These are well-documented in Peugeot service bulletins, particularly SIB 6017A for the fuel pump.
The AHM was primarily used in the Peugeot 508 (2010-2018), 3008 (2010-2016), and Partner Tepee (2010-2018). It was also fitted to the Citroën C5 (2010-2017) as part of the PSA Group's shared engine strategy, always meeting Euro 5 emissions.
Yes, the AHM responds well to ECU remapping. Stage 1 tunes can safely increase power to 180-200 kW and torque to 420-450 Nm. The stock turbo and internals are robust. However, tuning increases stress on the fuel pump and clutch, so supporting modifications and premium fuel are recommended.
Real-world fuel economy is very good for its size. In a Peugeot 508, expect 5.5-6.5 L/100km (43-51 mpg UK) combined. Highway cruising can drop to 4.5 L/100km (63 mpg UK). City driving or short trips will increase consumption, especially if DPF regenerations are frequent.
Yes. The AHM is an interference engine. If the timing chain were to fail (though rare), the pistons would collide with the open valves, causing catastrophic internal damage. Fortunately, the chain is very durable and rarely the source of issues.
Peugeot mandates oil meeting the PSA B71 2290 specification, typically a 5W-30 synthetic. Using the correct oil is critical for protecting the high-pressure fuel pump and ensuring proper DPF function. Change intervals should not exceed 20,000 km or 12 months.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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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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