The Peugeot AHX (DW10FD) 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 double overhead camshaft (DOHC) design. In standard tune, it produces 120 kW (163 PS) and 340 Nm of torque, with its VGT enabling strong, responsive power delivery from low engine speeds for confident overtaking.
Fitted to models including the 308 II, 3008 I, and 508 I, the AHX was engineered for a blend of refined cruising, brisk acceleration, and respectable fuel economy. Emissions compliance for its production run was achieved through a diesel particulate filter (DPF) and exhaust gas recirculation (EGR), meeting Euro 5 standards across all markets.
A documented area for attention is the high-pressure fuel pump, with some units experiencing premature wear leading to reduced fuel pressure. This potential issue, referenced in Peugeot Service Bulletin 13BZ01A, is often associated with fuel quality and extended service intervals. Later production runs incorporated revised pump components to enhance durability.
All production years 2010–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Peugeot AHX (DW10FD) is a 1,997 cc inline‑four turbo‑diesel engineered for compact and mid‑size models (2010-2018). It combines high-pressure common-rail injection with a variable-geometry turbocharger to deliver responsive performance and efficient highway cruising. Designed to meet Euro 5 standards, it balances power output with environmental compliance.
| 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 kW (163 PS) | |
| Torque | 340 Nm @ 2,000 rpm | |
| Fuel system | Bosch CP4 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 | Peugeot B71 2290 (SAE 5W‑30) | |
| Dry weight | 165 kg |
The VGT provides strong, linear torque ideal for mixed driving but demands strict adherence to 20,000 km or 12-month oil change intervals to protect the turbo and timing chain. Peugeot B71 2290 (5W-30) oil is critical for its specific additive package. The Bosch CP4 fuel pump is sensitive to fuel contamination; only ultra-low-sulfur diesel (EN 590) should be used to prevent premature failure. EGR and DPF systems require the vehicle to complete regular highway drives to enable passive regeneration and avoid clogging. Coolant should be replaced per the manufacturer's long-life schedule to prevent corrosion.
Oil Specs: Requires Peugeot B71 2290 (5W-30) specification (Peugeot Owner's Manual). Equivalent to ACEA C2.
Emissions: Euro 5 certification applies to all model years 2010-2018 (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under ECE R85 standards. Output is consistent across model range (Peugeot TIS Doc. M79015).
Peugeot Technical Information System (TIS): Docs M78210, M78542, SIB 13BZ01A
VCA Type Approval Database (VCA/EMS/5678)
UNECE Regulation No. 85 (Engine Power Measurement)
The Peugeot AHX (DW10FD) was used across Peugeot's PF2 and PF3 platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 508 and a specific exhaust routing in the 3008-with no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat machined surface on the front face of the cylinder block, just below the cylinder head (Peugeot TIS M78210). The 8th digit of the VIN is 'R' for the 163 PS variant of this engine family. Visually, the engine is identified by its black plastic camshaft cover with "e-HDi" or "BlueHDi" branding and the Honeywell turbocharger on the exhaust manifold side. Critical differentiation from the lower-powered DV6 engine: The AHX (DW10FD) has a larger displacement (2.0L vs 1.6L) and a visibly larger turbo unit. Service parts are generally consistent across model years, but fuel system components should be verified against the VIN.
The AHX (DW10FD)'s primary reliability consideration is the high-pressure fuel pump, with elevated incidence in vehicles using poor-quality fuel or exceeding service intervals. Peugeot internal service data indicates a notable number of pump replacements before 150,000 km under these conditions, while UK DVSA records show DPF-related issues are common in vehicles driven predominantly on short urban journeys. Maintaining fuel quality and ensuring regular DPF regeneration are critical.
Analysis derived from Peugeot technical bulletins (2012-2017) and UK DVSA failure statistics (2016-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT AHX-DW10FD.
Comprehensive technical documentation and regulatory references
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PEUGEOT 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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