The Peugeot AHN (DW10FUD) is a 1,997 cc, inline‑four turbo‑diesel engine produced between 2015 and 2021. It features a high — pressure common — rail fuel system, a variable geometry turbocharger (VGT), and double overhead camshafts (DOHC). In standard applications, it delivers 110 kW (150 PS) and 370 Nm of torque, with the VGT enabling strong low — rpm pulling power for effortless overtaking.
Fitted primarily to the 3008 II and 5008 II SUVs, the AHN engine was engineered for…

All production years 2015–2021 meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/5678).
The Peugeot AHN (DW10FUD) is a 1,997 cc inline‑four turbo‑diesel engineered for mid‑size SUVs (2015-2021). It combines high-pressure common-rail injection with a variable-geometry turbocharger to deliver strong, linear torque and quiet operation. Designed to meet Euro 6 standards, it balances performance with stringent emissions control.
| 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 | 110 kW (150 PS) | |
Torque | 370 Nm @ 2,000 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 6 | |
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 | 165 kg |
The Peugeot AHN (DW10FUD) was used across PSA Group's EMP2 platform with transverse mounting. This engine received platform-specific adaptations-optimized engine mounts for the 3008 and revised exhaust routing for the 5008-with no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
The AHN (DW10FUD)'s primary reliability risk is premature wear of the high-pressure fuel pump drive lobe, with elevated incidence in vehicles using non-compliant fuel or extended service intervals. PSA internal data indicated a measurable rate of pump-related failures before 100,000 km under these conditions, while UK DVSA records show DPF-related advisories are common in predominantly short-trip vehicles. Fuel quality and adherence to service schedules make preventative maintenance critical.
Analysis derived from PSA technical bulletins (2016-2021) and UK DVSA failure statistics (2018-2023). 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 AHN engine is generally robust when maintained correctly. Its main known issue, fuel pump lobe wear, was addressed in later production and via a service bulletin. Using the correct 5W-30 oil (PSA B71 2290) and adhering to service intervals is paramount for longevity. With proper care, these engines can easily exceed 200,000 km.
The most documented issues are wear on the high-pressure fuel pump's cam lobe, AdBlue® injector clogging, EGR valve carbon buildup, and turbo actuator failures. These are covered in PSA service bulletins and are often linked to maintenance or fuel/AdBlue® quality.
This 2.0L diesel was used in the second-generation Peugeot 3008 (2016-2021) and 5008 (2017-2021), specifically in higher trim levels like GT and GT Line. It was also shared with Citroën C5 Aircross and Opel Grandland X SUVs within the PSA Group during the same period.
Yes, the AHN responds well to ECU remapping. Stage 1 tunes can safely increase output to around 180-190 PS and 400+ Nm. The stock turbo and internals are capable of handling this increase. However, tuning may accelerate wear on the fuel pump and clutch, so supporting modifications and more frequent maintenance are advised.
Official combined figures are around 4.5 L/100km (63 mpg UK) for the 3008. Real-world consumption typically ranges from 5.5-6.5 L/100km (43-51 mpg UK) in mixed driving, depending on vehicle weight, driving style, and DPF regeneration cycles. Highway cruising can yield figures close to the official rating.
Yes. Like virtually all modern engines, the AHN (DW10FUD) is an interference design. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing catastrophic internal damage. Fortunately, the chain is very durable with proper oil maintenance.
Peugeot mandates the use of low-SAPS 5W-30 oil meeting the PSA B71 2290 specification (equivalent to ACEA C2/C3). This is critical for protecting the engine, turbocharger, and emissions aftertreatment systems (DPF, SCR). Using the wrong oil can lead to rapid DPF clogging and component damage.
Comprehensive technical documentation and regulatory references
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PEUGEOT Official Site
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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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