Peugeot AHH-DW10FC Engine (2018–present) – Specs, Problems & Compatibility Database

The Peugeot DW10FC (engine code AHH) is a 1,997 cc, inline‑four turbo‑diesel engine introduced in 2018. It features a double overhead camshaft (DOHC), 16‑valve architecture with a variable geometry turbocharger (VGT) and high‑pressure common‑rail direct injection. Peak output ranges from 110 kW (150 PS) to 132 kW (180 PS), with torque between 340–400 Nm, delivering strong low‑rpm pull and refined performance.

Fitted to models such as the Peugeot 3008 II, 5008 II, and 5…

Peugeot Engine
Compliance Note:

All production years (2018–present) meet Euro 6d-TEMP (2018–2020) and Euro 6d (2021–present) standards .

Peugeot AHH-DW10FC Technical Specifications

The Peugeot DW10FC (AHH) is a 1,997 cc inline‑four turbo‑diesel engineered for midsize SUVs and sedans (2018–present). It combines DOHC valvetrain architecture with a variable-geometry turbocharger and 2,000-bar common-rail injection to deliver responsive torque and low-end refinement. Designed to meet Euro 6d emissions standards, it integrates AdBlue-based SCR for stringent NOx control.

ParameterValueSource
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
110–132 kW (150–180 PS) @ 3,750 rpm
Torque
340–400 Nm @ 2,000 rpm
Fuel system
Bosch CP4.2 common‑rail (up to 2,000 bar)
Emissions standard
Euro 6d-TEMP (2018–2020); Euro 6d (2021–present)
Compression ratio
16.0:1
Cooling system
Water‑cooled
Turbocharger
Single variable‑geometry turbo (Garrett or BorgWarner)
Timing system
Chain (front‑mounted)
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
135 kg

Peugeot AHH-DW10FC Compatible Models

The Peugeot DW10FC (AHH) was used across PSA Group's EMP2 platform with transverse mounting and shared with Citroën, DS, and Opel/Vauxhall. This engine received platform-specific adaptations—revised engine mounts in the 5008 II and modified AdBlue tank routing in the 508 II—and from early 2021 the updated fuel pump coupling created minor interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Peugeot
Years:
2018–present
Models:
3008 II
Variants:
1.6 BlueHDi 130 (early), 2.0 BlueHDi 160, 2.0 BlueHDi 180
View Source
PSA Group PT‑2020
Make:
Peugeot
Years:
2018–present
Models:
5008 II
Variants:
2.0 BlueHDi 160, 2.0 BlueHDi 180
View Source
PSA ETK Doc. DW10-1997
Make:
Peugeot
Years:
2018–present
Models:
508 II
Variants:
2.0 BlueHDi 160, 2.0 BlueHDi 180
View Source
PSA TIS Doc. M32‑701
Make:
Citroën
Years:
2018–present
Models:
C5 Aircross
Variants:
2.0 BlueHDi 160, 2.0 BlueHDi 180
View Source
Citroën EPC #CIT-DW10-18
Make:
DS
Years:
2018–present
Models:
DS 7 Crossback
Variants:
2.0 BlueHDi 160, 2.0 BlueHDi 180
View Source
DS Automobiles ETK #DS-DW10-18
Make:
Opel
Years:
2018–2021
Models:
Grandland X
Variants:
2.0 Diesel 160, 2.0 Diesel 180
View Source
Opel EPC #OPE-DW10-18

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Common Reliability Issues - PEUGEOT AHH-DW10FC Compatible Models

Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.

High-pressure fuel pump drive coupling failure
Symptoms: Misfires under load, rough idle, diagnostic trouble codes for rail pressure deviation, hard starts.
Cause: Thermal fatigue in polymer coupling material driving CP4.2 pump; exacerbated by high-load operation and marginal cooling.
Fix: Replace coupling and inspect pump shaft for damage per PSA SI‑19‑05; flush fuel system and verify rail pressure stability post-repair.
AdBlue/SCR system faults
Symptoms: Check Engine light, reduced power, countdown to immobilisation, NOx sensor errors.
Cause: Contaminated or diluted AdBlue, faulty dosing valve, or crystallisation in injector lines due to infrequent use.
Fix: Refill with ISO 22241-compliant AdBlue; clean or replace dosing valve and lines; perform SCR adaptation reset via diagnostics.
EGR valve sticking or carbon buildup
Symptoms: Rough idle, hesitation, increased DPF regeneration frequency, smoke on acceleration.
Cause: Oil vapour and soot accumulation in EGR passages, restricting valve motion and airflow.
Fix: Remove and clean EGR valve and cooler; inspect vacuum actuator; reset adaptations after reinstallation.
Timing chain tensioner wear
Symptoms: Rattle on cold start, cam correlation faults, timing drift.
Cause: Plastic tensioner shoe degrades over time; sludge from extended oil intervals accelerates wear.
Fix: Replace chain, tensioner, and guides with OEM kit; verify cam timing and oil pressure post-installation.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

PEUGEOT AHH-DW10FC FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The DW10FC is generally robust if maintained correctly. Early units (2018–2020) are susceptible to fuel pump coupling failure under high-load use, but 2021+ revisions improved durability. Using correct low-SAPS oil (ACEA C2/C3), adhering to service intervals, and maintaining AdBlue quality greatly enhance longevity.

Top issues include high-pressure fuel pump coupling failure, AdBlue/SCR system faults, EGR valve carbon buildup, and timing chain tensioner wear. These are documented in PSA service bulletins SI‑19‑05 and TIS updates from 2019–2021.

Primarily the Peugeot 3008 II, 5008 II, and 508 II (2018–present) in 2.0 BlueHDi 160/180 variants. It was also used in Citroën C5 Aircross, DS 7 Crossback, and Opel Grandland X during the same period under the BlueHDi or Diesel branding.

Aftermarket ECU tuning is common on the AHH-DW10FC 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.

Efficient for its class: ~5.8 L/100km (city) and ~4.5 L/100km (highway), or 49–63 mpg UK combined. Real-world figures depend heavily on driving style, AdBlue consumption, and DPF regeneration cycles—consistent mixed use optimizes economy.

Yes. The DW10FC is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, causing severe internal damage. Prompt attention to chain rattle or timing faults is essential.

PSA specifies 0W‑30 synthetic oil meeting ACEA C2/C3 and PSA B71 2312 standards. This low-SAPS formulation protects the DPF and SCR systems and ensures proper lubrication of the cam-driven fuel pump. Change every 20,000 km or annually.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

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Regulatory Context

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.

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Type-approval guidance and documentation.

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