The Peugeot 5FX (EP6DT) is a 1,598 cc, inline‑four turbo‑petrol engine produced between 2007 and 2015. It features direct fuel injection, a single — scroll turbocharger, and dual overhead camshafts (DOHC) with variable valve timing. In standard European specification, it produced 115 kW (156 PS) and 240 Nm of torque, engineered for responsive performance in Peugeot's compact and mid — size vehicles.
Fitted primarily to the Peugeot 207 GT, 308, and 3008 models, the EP6DT…
Production years 2007–2015 meet Euro 5 standards .
The Peugeot 5FX (EP6DT) is a 1,598 cc inline‑four turbo‑petrol engineered for compact hatchbacks and crossovers (2007-2015). It combines direct injection with a single-scroll turbocharger to deliver responsive, linear power and strong mid-range torque. Designed to meet Euro 5 standards, it balances sporty character with everyday practicality.
| 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 | 115 kW (156 PS) | |
Torque | 240 Nm @ 1,400 rpm | |
Fuel system | Bosch HDEV4 direct injection (up to 120 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single-scroll turbo (Mitsubishi Heavy Industries) | |
Timing system | Chain-driven | |
Oil type | PSA B71 2296 (SAE 5W‑30) | |
Dry weight | 128 kg |
The Peugeot 5FX (EP6DT) was used across PSA Group's PF2 platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 3008 and specific ECU mapping for the 207 GT-creating minor service part variations. All adaptations are documented in OEM technical bulletins.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.
The EP6DT's primary reliability risk is turbocharger failure due to oil feed line degradation, with elevated incidence in high-mileage vehicles. PSA internal reports from 2012 indicated a significant number of failures before 120,000 km, particularly in vehicles with irregular servicing. Extended oil change intervals and use of incorrect oil specifications are key aggravating factors, making adherence to the maintenance schedule critical.
Analysis derived from manufacturer technical service bulletins and industry workshop records. 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 EP6DT is a lively and responsive engine, but its long-term reliability is closely tied to addressing the known turbo oil feed line issue. Vehicles that have had the feed line replaced per PSA bulletin 7892 C, and which receive strict, timely oil changes with the correct specification, can be very reliable beyond 150,000 km.
The most critical issue is turbocharger failure due to oil feed line degradation. Other common problems include high-pressure fuel pump failure, intake manifold runner control faults, and timing chain tensioner rattle. These are well-documented in PSA service bulletins and owner reports.
This 1.6L THP engine was primarily used in the Peugeot 207 GT (2007-2013), 308 (2007-2013), and 3008 (2009-2015) models. It was always offered in the 150-156 PS power output variant, providing a sporty character to these vehicles.
Aftermarket ECU tuning is common on the 5FX-EP6DT 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.
Fuel economy is reasonable for a turbocharged petrol engine. In a Peugeot 308, expect around 7.8 L/100km (36 mpg UK) in combined driving. Highway cruising can yield figures closer to 6.2 L/100km (46 mpg UK). Real-world economy is heavily influenced by driving style.
Yes. Like virtually all modern engines, the EP6DT is an interference design. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing catastrophic internal damage. Fortunately, the timing chain is very durable on this engine.
Peugeot mandates the use of oil meeting the PSA B71 2296 specification, typically a 5W-30 synthetic. Using the correct oil is critical for protecting the turbocharger and high-pressure fuel pump. Change intervals should not exceed 15,000 km or 12 months.
Comprehensive technical documentation and regulatory references
EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.
Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.
A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.
Transparency in gaps
A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.
Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.
Copyright and permissions
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
Ownership and commercial services
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.
Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.
Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.
All external links open in new tabs. Please verify current availability of resources.