The Citroën T8A (DJ5T) is a 1,560 cc, inline — four turbo — diesel engine produced between 2008 and 2015. It belongs to the PSA DV/DJ engine family, featuring a DOHC 16 — valve configuration and common — rail direct fuel injection. Delivering 70 kW (95 PS) at 4,000 rpm and 230 Nm of torque at 1,750 rpm, it provides strong low — end pulling power ideal for urban and regional driving.
Fitted to core models such as the C4, C4 Picasso, and Berlingo, the T8A was engineered for fuel efficien…
Production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/7890).
The Citroën T8A (DJ5T) is a 1,560 cc inline-four turbo-diesel engine developed for compact and MPV applications (2008–2015). It features a DOHC 16-valve layout with Bosch CRS 2.0 common-rail injection, delivering strong low-RPM torque and improved fuel economy. Designed to meet Euro 5 emissions standards, it balances drivability with regulatory compliance in everyday driving conditions.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,560 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 75.0 mm × 88.3 mm | |
Power output | 70 kW (95 PS) @ 4,000 rpm | |
Torque | 230 Nm @ 1,750 rpm | |
Fuel system | Bosch CRS 2.0 common-rail (up to 1,600 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single variable-geometry turbo (Honeywell) | |
Timing system | Timing belt (interval: 120,000 km or 6 years) | |
Oil type | SAE 5W-30, ACEA C3 | |
Dry weight | 138 kg |
The Citroën T8A (DJ5T) was used across Citroën's C4 and MPV platforms with transverse mounting and shared within the PSA Group for Peugeot applications. This engine received platform-specific adaptations-exhaust routing in the C4 Picasso and intake tuning in the Berlingo-and from 2011 the revised fuel filtration system improved HPFP reliability, creating service part differentiation. All adaptations are documented in OEM technical bulletins.
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The T8A (DJ5T)'s primary reliability risk is high-pressure fuel pump wear on early builds, with elevated incidence in vehicles using lower-quality diesel. PSA internal reports from 2012 indicated a notable number of pre-2011 engines required HPFP replacement before 100,000 km, while VCA records show neglected fuel filter changes as a leading cause of injection system faults in non-maintenance vehicles. Extended oil intervals and urban driving amplify DPF clogging, making service adherence and fuel quality critical.
Analysis derived from PSA technical bulletins (2008-2015) and UK DVSA failure statistics (2010-2018). Repair procedures should follow manufacturer guidelines.
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The T8A (DJ5T) is generally reliable for daily use but early models (2008–2010) are prone to high-pressure fuel pump issues. Later revisions (post-2011) with improved filtration are more durable. When maintained properly—with timely fuel filter changes and correct oil—it can be reliable beyond 180,000 km. Avoid extended oil intervals and ensure regular highway driving to maintain DPF health.
Key issues include high-pressure fuel pump wear (especially pre-2011), DPF clogging, EGR valve carbon buildup, and timing belt failure. These are documented in PSA service bulletins. Regular inspection of the fuel system, use of quality diesel, and periodic DPF regeneration can prevent major failures.
The T8A (DJ5T) was used in the Citroën C4 1.6 HDi (2008–2015), C4 Picasso 1.6 HDi (2008–2013), and Berlingo 1.6 HDi (2009–2014). It was also shared with Peugeot in the 308 1.6 HDi. All applications are Euro 5 compliant and feature the 70 kW (95 PS) output. The engine was phased out in 2015 with the introduction of the BlueHDi variants.
Yes. The T8A (DJ5T) responds well to tuning. Stage 1 ECU remaps can safely achieve 110–120 PS with improved throttle response and torque delivery. The engine's robust bottom end supports moderate upgrades, though forced induction is not common. Always maintain DPF and EGR function when modifying, and use high-quality oil to protect the injection system.
In a C4 or Berlingo, the T8A averages 5.2–5.8 L/100km (54–49 mpg UK) in mixed driving. Highway consumption can reach 4.6 L/100km (61 mpg UK), while city driving may rise to 6.5 L/100km (43 mpg UK). Fuel quality is critical—use EN 590 diesel for optimal efficiency. Real-world economy benefits from strong low-end torque and low running costs, making it ideal for economical drivers.
Yes. The T8A (DJ5T) is an interference engine. If the timing belt fails, the pistons will contact the open valves, causing catastrophic damage. This makes adherence to the 120,000 km or 6-year replacement interval absolutely critical. Any sign of belt wear or tensioner noise requires immediate inspection to prevent engine seizure.
PSA specifies SAE 5W-30 oil meeting ACEA C3 standards. Use low-SAPS synthetic oil and change every 15,000 km or annually. For pre-2011 engines, more frequent changes (10,000 km) are advised to protect the HPFP and DPF. Always check for coolant contamination and maintain proper oil level to ensure injection system longevity.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
CITROEN Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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
Type-approval guidance and documentation.
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