The Peugeot RHD (DW10CB) is a 1,997 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. It features a dual overhead camshaft (DOHC) layout with 16 valves and high — pressure common — rail direct injection, delivering outputs of 120 kW (163 PS) with torque figures of 340 Nm. Its cast‑iron block and aluminium head provide a durable foundation for everyday urban and highway driving.
Fitted to models like the 308, 508, and Partner van, the RHD was engineered for r…
Production years 2010–2015 meet Euro 5 standards; 2016–2018 models may have Euro 6 compliance depending on market (VCA UK Type Approval #VCA/EMS/7890).
The Peugeot RHD (DW10CB) is a 1,997 cc inline‑four turbo‑diesel engineered for compact and mid‑size models (2010-2018). It combines common‑rail direct injection with a single fixed-geometry turbocharger to deliver strong low‑rpm torque and efficient cruising. Designed to meet Euro 5 (and some market‑specific Euro 6) standards, it balances everyday performance with 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 kW (163 PS) | |
Torque | 340 Nm @ 2,000 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 5 (pre‑2016); Euro 6 depending on market | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single fixed‑geometry turbo (Honeywell) | |
Timing system | Chain-driven | |
Oil type | PSA B71 2290 (SAE 5W‑30) | |
Dry weight | 148 kg |
The Peugeot RHD (DW10CB) was used across Peugeot's Platform 2 and LCV platforms with transverse mounting. This engine received platform-specific adaptations-reinforced sump in the Partner and revised engine mounts in the 508-and from 2015 facelifted 308 models adopted minor ECU and emissions revisions, creating minor software and hardware interchange limits. All adaptations are documented in OEM technical bulletins.
The RHD's primary reliability risk is high-pressure fuel pump failure on early builds, with elevated incidence in vehicles using poor-quality fuel. Internal PSA data indicated a significant number of pre-2015 engines required pump replacement before 120,000 km, while UK DVSA records note EGR cooler failures as a common MOT advisory item. Neglecting oil changes and using non-compliant fuel accelerate pump wear, making fuel quality and interval 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 RHD is generally robust with modern diesel technology. Its main weakness is the early high-pressure fuel pump, prone to failure before 120,000 km on pre-2015 models. Later revisions and diligent maintenance, especially using correct 5W-30 oil and high-quality fuel, make it a dependable engine for high mileage.
The most frequent issues are high-pressure fuel pump failure (causing hard starting), EGR cooler failure (leading to coolant loss), DPF regeneration problems, and turbocharger actuator faults. These are well-documented in PSA service bulletins and are common wear items for engines of this era.
This 2.0L diesel engine was widely used in the Peugeot 308 (2011-2018), 508 (2011-2018), and Partner van (2010-2018). It also powered Citroën models like the C4 Picasso (2013-2018). It was found in variants like the 308 GT and 508 Allure, primarily meeting Euro 5 emissions standards.
Yes, but gains are modest. ECU remaps can yield +10-20 kW by optimizing fuel and boost maps. More significant power requires hardware like a performance turbo, intercooler, and exhaust. The engine responds well to tuning, but the fuel system is sensitive, so moderate upgrades are recommended.
Excellent for its size. In a Peugeot 308 2.0 BlueHDi, expect ~5.5 L/100km (city) and ~4.0 L/100km (highway), or around 60 mpg UK combined. The lighter 308 is more efficient than the 508. Real-world economy typically ranges from 50-65 mpg UK, depending heavily on driving style and vehicle condition.
Yes. The RHD is an interference engine. If the timing chain jumps or breaks, the pistons will collide with the open valves, causing catastrophic engine damage. This makes maintaining the timing chain in good condition absolutely essential.
Peugeot specifies a 5W-30 synthetic oil meeting the PSA B71 2290 standard. Using the correct oil is vital for protecting the high-pressure fuel system and ensuring proper lubrication. Change intervals should not exceed 20,000 km or 12 months to maintain engine health.
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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