The Peugeot 8FS (EP3) is a 1,360 cc, inline‑four naturally aspirated petrol engine produced between 2001 and 2006. It features a single overhead camshaft (SOHC) valvetrain with 16 valves, delivering a focus on simplicity and cost — effective urban mobility. In standard tune, it produces 55 kW (75 PS) and 117 Nm of torque, suitable for light, economical city driving.
Fitted to entry — level models like the 206 and Partner, the 8FS was engineered for low purchase price and runn…
All production years (2001–2006) meet Euro 3 standards .
The Peugeot 8FS (EP3) is a 1,360 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks and light vans (2001-2006). It combines a SOHC 16-valve valvetrain with multi-point fuel injection to deliver adequate power for city driving and respectable fuel economy. Designed to meet Euro 3 standards, it prioritizes mechanical simplicity and low-cost maintenance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,360 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, SOHC, 16‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 75.0 mm × 77.0 mm | |
Power output | 55 kW (75 PS) | |
Torque | 117 Nm @ 3,000 rpm | |
Fuel system | Multi-point fuel injection (SAGEM) | |
Emissions standard | Euro 3 | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Timing system | Belt-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 95 kg |
The Peugeot 8FS (EP3) was used across Peugeot's PF1 platform with transverse mounting. This engine received platform-specific adaptations-unique exhaust systems for the Partner van-creating minor part number differences. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
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 8FS is a fundamentally simple and robust engine. Its main critical issue is the timing belt and tensioner, which must be replaced at 80,000 km or 5 years without fail to prevent catastrophic engine damage. With this maintenance performed and regular oil changes, it can be very reliable for high mileage.
The most critical issue is timing belt tensioner pulley failure, which can lead to belt breakage. Other common concerns include ignition coil failure, plastic thermostat housing cracks causing coolant leaks, and camshaft cover gasket oil leaks. These are well-documented in PSA service bulletins.
This 1.4L petrol engine was used in the second-phase 206 (2001-2006) and the second-phase Partner van/MPV (2002-2006). It was typically found in base and mid-range trim levels like 1.4i and XR.
Limited tuning potential exists due to its SOHC design and low state of tune. ECU remapping can yield minor gains (5-8 kW), primarily by optimizing fuel and ignition maps. Significant power increases are not practical or cost-effective on this engine.
Official combined figures are around 6.5-7.0 L/100km (40-43 mpg UK) for a 206 1.4i. Real-world mixed driving typically yields 7.0-8.5 L/100km (33-40 mpg UK), with careful highway driving potentially achieving under 6.0 L/100km (47+ mpg UK).
Yes. This is a critical point. The 8FS is an interference engine. If the timing belt snaps or jumps teeth, the pistons will collide with the open valves, causing severe and expensive engine damage. This makes adhering to the 80,000 km/5-year replacement interval absolutely essential.
It requires a 10W-40 mineral or semi-synthetic oil meeting the Stellantis 9.55535-S2 specification. Using the correct oil is important for engine longevity. Change intervals are typically 15,000 km or annually.
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.
VCA Certification Portal
Type-approval guidance and documentation.
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