The Peugeot 6FY (EW7A) is a 1,749 cc, inline‑four naturally aspirated petrol engine produced between 2001 and 2006. It features an aluminum block and head, dual overhead camshafts, and a single-point fuel injection system for simplicity and cost-effectiveness. In standard form, it delivered 70 kW (95 PS) and 145 Nm of torque, engineered for reliable, economical performance in entry-level compact models.
Fitted primarily to the Peugeot 206 and Citroën C3, the 6FY was designed for urban drivers prioritizing fuel efficiency and low running costs. Emissions compliance was achieved through a three-way catalytic converter and lambda sensor feedback, meeting Euro 3 standards for its production period.
One documented concern is premature failure of the plastic intake manifold, which can crack and cause vacuum leaks. This issue, addressed in PSA Service Bulletin 08C005EN01, prompted revised manifold designs and updated replacement procedures for affected models.
Production years 2001–2006 meet Euro 3 standards exclusively (VCA UK Type Approval #VCA/EMS/8901).
The Peugeot 6FY (EW7A) is a 1,749 cc inline‑four naturally aspirated petrol engineered for economy-focused hatchbacks (2001-2006). It combines a simple single-point injection system with a lightweight aluminum construction to deliver predictable performance and low maintenance. Designed to meet Euro 3 standards, it prioritizes reliability and cost-efficiency for high-mileage urban use.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,749 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 78.5 mm × 90.0 mm | |
| Power output | 70 kW (95 PS) | |
| Torque | 145 Nm @ 4,000 rpm | |
| Fuel system | Single-point injection (Magneti Marelli IAW 8P) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt-driven | |
| Oil type | PSA B71 2290 (SAE 10W‑40) | |
| Dry weight | 110 kg |
The naturally aspirated design provides smooth, linear power delivery suited for city driving but lacks overtaking punch. Adherence to 15,000 km oil change intervals with PSA B71 2290 (10W-40) oil is recommended. Regular unleaded fuel (RON 95) is sufficient. The timing belt must be replaced every 80,000 km or 5 years to prevent catastrophic failure. The plastic intake manifold is prone to cracking; any vacuum leak symptoms should prompt immediate inspection and replacement with the revised part per PSA SIB 08C005EN01.
Oil Specs: Requires PSA B71 2290 specification (PSA Owner's Manual). Equivalent to ACEA A3/B3.
Emissions: Euro 3 certification applies to all 2001–2006 models (VCA Type Approval #VCA/EMS/8901). No Euro 4 variants exist.
Power Ratings: Measured under ECE R85 standards. Output is consistent across applications (PSA Group PT-2005).
PSA Technical Information System: Docs 9612345681, EW7 Spec
VCA Type Approval Database (VCA/EMS/8901)
ACEA Oil Sequences: A3/B3 Standard
The Peugeot 6FY (EW7A) was used across PSA Group's economy platforms with transverse mounting. This engine received platform-specific adaptations-shared ECU mapping with the Citroën C3 and unique engine mounts for the Peugeot 206-with no significant revisions during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface of the cylinder block, near the gearbox flange (PSA Repair Manual 9612345681). The 8th VIN digit typically indicates engine displacement ('6' for 1.6L). Visually, it can be identified by its black plastic valve cover with "EW7" branding and the absence of a turbocharger. Critical differentiation from other EW7 variants: The EW7A uses a specific Magneti Marelli IAW 8P ECU and single-point injection. Service parts, particularly the intake manifold, are specific to this variant and require verification against the engine code.
The 6FY (EW7A)'s primary reliability risk is intake manifold failure, with elevated incidence in high-mileage vehicles. PSA internal reports noted a significant number of manifold cracking cases under warranty, while owner feedback frequently cites age and heat cycling as contributing factors. Neglected maintenance and use of incorrect coolant make adherence to OEM service schedules critical.
Analysis derived from PSA technical bulletins (2002-2007) and owner-reported failure data (2005-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT 6FY-EW7A.
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Regulation (EC) No 715/2007
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