The Citroen DW10UTED4 is a 1,997 cc, inline — four turbo — diesel engine produced between 2008 and 2015. Part of the PSA DW10 family, it delivers balanced performance for mid — size vehicles. Equipped with a dual overhead camshaft (DOHC), high — pressure common — rail injection, and a variable geometry turbocharger, it produces 103 kW (140 PS) with 340 Nm of torque, offering strong low — end pull ideal for motorway cruising and light towing.
Fitted primarily to the Citroën C5 an…
Production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/9678).
The Citroen DW10UTED4 is a 1,997 cc inline-four turbo-diesel engine engineered for executive sedans and wagons (2008–2015). It combines DOHC 16-valve architecture with common-rail direct injection and a variable geometry turbocharger to deliver responsive low-RPM torque and strong fuel economy. Designed to meet Euro 5 emissions standards, it balances performance with regulatory 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 | 103 kW (140 PS) @ 4,000 rpm | |
Torque | 340 Nm @ 1,750–2,750 rpm | |
Fuel system | Bosch CP3 common-rail (up to 1,600 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.8:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single variable-geometry turbo (Honeywell GT17) | |
Timing system | Timing belt (interval: 120,000 km or 8 years) | |
Oil type | SAE 5W-30, ACEA B4 | |
Dry weight | 158 kg |
The Citroen DW10UTED4 was used across Citroen's C5 platform with longitudinal mounting and shared with Peugeot under PSA platform commonality. This engine received model-specific tuning-for smoother throttle response in the C5-and from 2011 the updated Bosch CP3 fuel pump with improved filtration, creating interchange limits. Partnerships within the PSA Group allowed Peugeot's 508 to use identical powertrain calibration. All adaptations are documented in OEM technical bulletins.
The DW10UTED4's primary reliability risk is high-pressure fuel pump failure on early builds, with elevated incidence in high-mileage vehicles. PSA internal reports from 2011 noted a significant number of pre-2011 engines requiring HPFP replacement before 150,000 km, while UK DVSA MOT records show DPF-related failures linked to urban driving. Extended stop-start cycles and poor fuel quality increase failure risk, making adherence to maintenance schedules critical.
Analysis derived from PSA technical bulletins (2008-2015) and UK DVSA failure statistics (2010-2018). 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 DW10UTED4 offers dependable performance when properly maintained. Early models (2008–2010) are prone to HPFP issues, but post-2011 revisions resolved this. Timing belt integrity is critical—replacement every 120,000 km or 8 years is mandatory. With regular oil changes and DPF maintenance, these engines can exceed 250,000 km.
Key issues include HPFP failure in pre-2011 engines, timing belt failure due to neglect, DPF clogging from short trips, and coolant leaks from the thermostat housing. These are documented in PSA technical bulletins and remain the most frequently reported concerns in service networks.
The DW10UTED4 was used exclusively in the Citroën C5 (2.0 HDi 140) from 2008 to 2015. It was also shared with the Peugeot 508 (2.0 HDi 140) during the same period. No other Citroën models received this specific engine variant.
Yes. ECU remaps can yield +25–35 kW, making it a popular choice for enthusiasts. Performance gains are substantial due to conservative factory tuning. Upgrades like intake, exhaust, and intercooler are possible but require careful matching. Most owners enjoy the improved responsiveness without major modifications.
In the C5 2.0 HDi 140, fuel consumption averages ~6.8 L/100km (city) and ~5.2 L/100km (highway), or about 43 mpg UK combined. Real-world economy varies with driving style, but 40–45 mpg (UK) is typical for mixed use. Fuel quality meeting EN 590 is essential for optimal performance.
Yes. The DW10UTED4 is an interference engine. If the timing belt fails, pistons contact open valves, causing severe internal damage. That's why strict adherence to the 120,000 km or 8-year replacement interval is absolutely critical.
PSA specifies SAE 5W-30 oil meeting ACEA B4 standards. Use high-quality synthetic oil and change every 15,000 km or annually. Proper oil selection ensures engine longevity and protects emissions systems, especially in early production engines.
Comprehensive technical documentation and regulatory references
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