The Peugeot RHF (DW10BTED4) is a 1,997 cc, inline‑four turbocharged diesel engine produced between 2010 and 2018. It features a dual overhead camshaft (DOHC) design with 16 valves and a variable geometry turbocharger (VGT), delivering outputs typically between 120–133 kW (163–181 PS) and torque figures of 340–400 Nm. This iteration of the DW10 engine family was engineered for strong low — end pull and efficient highway cruising.
Fitted to models such as the 508, 3008, an…
All production years (2010–2018) meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/7890).
The Peugeot RHF (DW10BTED4) is a 1,997 cc inline‑four turbocharged diesel engineered for mid‑size and compact SUVs (2010-2018). It combines common-rail direct injection with a variable geometry turbocharger to deliver strong low-end torque and efficient cruising. Designed to meet Euro 5 emissions standards, it balances performance 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 | 120–133 kW (163–181 PS) | |
Torque | 340–400 Nm @ 1,750–3,000 rpm | |
Fuel system | High-pressure common-rail (Bosch CP4.2) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Variable geometry turbo (VGT) | |
Timing system | Chain-driven | |
Oil type | PSA B71 2290 (SAE 5W-30) | |
Dry weight | 165 kg |
The Peugeot RHF (DW10BTED4) was used across Peugeot's PF2/PF3 platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 508 and specific ECU calibrations for the 3008-with no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
The RHF (DW10BTED4)'s primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles subjected to poor fuel quality or aftermarket additives. PSA internal data indicated a significant number of pump replacements under warranty, while owner reports frequently cite sudden power loss or no-start conditions. Timely use of correct fuel and adherence to service intervals are critical.
Analysis derived from PSA technical bulletins (2010-2018) and owner-reported failure data (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 RHF engine offers strong performance and good refinement, but its Achilles' heel is the high-pressure fuel pump. With strict adherence to using high-quality fuel, avoiding additives, and regular oil changes, it can be reliable. Proactive maintenance of the EGR and DPF systems is also crucial for longevity.
The most frequent issues are failure of the Bosch CP4.2 high-pressure fuel pump, clogging of the EGR valve and cooler, DPF regeneration problems, and failure of the turbocharger's variable geometry actuator. These are well-documented in PSA service bulletins and owner communities.
This 2.0L diesel engine 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, offering a powerful and efficient option.
Yes, the RHF responds well to ECU remapping. Stage 1 tunes can safely increase power by 20-30 kW and torque by 50-70 Nm. More significant gains require upgraded components like a hybrid turbo or intercooler. Ensure the clutch and transmission can handle the increased torque, especially in manual models.
Real-world fuel economy is excellent for its power. In a Peugeot 508, expect around 7.0 L/100km in the city and 5.0 L/100km on the highway, averaging 5.8 L/100km (approx. 49 mpg UK) combined. The lighter 3008 may achieve slightly better figures, around 5.5 L/100km (51 mpg UK) combined.
Yes. The RHF (DW10BTED4) is an interference engine. If the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing catastrophic internal engine damage. While chain failure is rare, it underscores the importance of using the correct oil and adhering to service intervals.
Peugeot specifies oil meeting the PSA B71 2290 standard, typically a 5W-30 full synthetic. This low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is essential for protecting the DPF and ensuring proper lubrication of the timing chain and turbocharger. Change intervals should not exceed 20,000 km or one year.
Comprehensive technical documentation and regulatory references
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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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
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
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