The Peugeot 5FA (EP6CDT) is a 1,598 cc, inline‑four turbo‑petrol engine produced between 2010 and 2015. It features a DOHC 16‑valve design with BMW‑sourced twin‑scroll turbocharging and direct fuel injection. Output is rated at 155 kW (211 PS), delivering peak torque of 275 Nm for strong, responsive performance across the rev range.
Fitted primarily to the high‑performance RCZ R and 308 GTi, the 5FA was engineered for sporty, agile driving with precise throttle respons…
Production years 2010–2015 meet Euro 5 standards .
The Peugeot 5FA (EP6CDT) is a 1,598 cc inline‑four turbo‑petrol engineered for sporty hatchbacks and coupes (2010-2015). It combines direct fuel injection with a BMW-sourced twin‑scroll turbocharger to deliver sharp, linear power and high-revving character. Designed to meet Euro 5 standards, it balances thrilling performance with acceptable emissions for its class.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,598 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 77.0 mm × 85.8 mm | |
Power output | 155 kW (211 PS) | |
Torque | 275 Nm @ 1,900 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 200 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 9.2:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single twin‑scroll turbo (Mitsubishi Heavy Industries) | |
Timing system | Chain (front‑mounted) | |
Oil type | PSA B71 2310 (SAE 5W‑40) | |
Dry weight | 135 kg |
The Peugeot 5FA (EP6CDT) was used across Peugeot's PF2 platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts and a performance-tuned exhaust in the RCZ R-and no significant facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
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The 5FA (EP6CDT)'s primary reliability risk is timing chain tensioner failure, with elevated incidence in vehicles with modified ECU maps or aggressive driving. PSA internal reports indicated a notable failure rate before 80,000 km in early production batches, while owner feedback frequently cites a distinctive rattle on cold start. Extended periods of high-RPM operation and infrequent oil changes accelerate tensioner wear, making maintenance adherence critical.
Analysis derived from PSA technical bulletins (2012-2016) 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 5FA offers thrilling performance but has a known weakness with its timing chain tensioner, especially in early models. With meticulous maintenance, use of correct oil (PSA B71 2310), and premium fuel, it can be reliable. Addressing the tensioner proactively or ensuring it's the revised version is key to long-term ownership. Avoid aggressive ECU tunes without supporting modifications.
The most frequent issues are timing chain tensioner failure, high-pressure fuel pump faults, turbo wastegate actuator problems, and intake valve carbon buildup. These are well-documented in PSA service bulletins and owner forums. Tensioner failure is the most critical, as it can lead to total engine destruction.
The high-performance 5FA (EP6CDT) 1.6L turbo petrol engine was fitted to the Peugeot 308 GTi (200/208) and the RCZ R from 2013 to 2015. It was the most powerful version of the Prince engine family in Peugeot's lineup at the time.
Aftermarket ECU tuning is common on the 5FA-EP6CDT 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.
Real-world fuel economy is typical for a performance engine. In a Peugeot 308 GTi, expect around 8.5-9.5 L/100km (30-28 mpg UK) in mixed driving. Highway cruising can yield 6.5-7.0 L/100km (43-40 mpg UK). Aggressive driving will significantly increase consumption.
Yes. The 5FA (EP6CDT) is an interference engine. If the timing chain were to fail or jump due to tensioner issues, the pistons would collide with the open valves, causing catastrophic internal engine damage. This makes addressing any chain rattle immediately paramount.
Peugeot mandates the use of oil meeting the PSA B71 2310 specification, typically a 5W-40 synthetic. This low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is critical for protecting the turbocharger and catalytic converter from clogging and ensuring proper lubrication of the timing chain system.
Comprehensive technical documentation and regulatory references
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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.
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Type-approval guidance and documentation.
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