The Ford Y5A is a 1,596 cc, inline‑four naturally aspirated petrol engine produced between 2007 and 2011. It features a dual overhead camshaft (DOHC) layout with 16 valves and sequential multi‑point fuel injection. In standard form it delivered 82 kW (110 PS) and 150 Nm of torque, offering responsive urban drivability and low running costs.
Fitted to models such as the Ford Focus Mk2, C — MAX, and early Fiesta Mk6, the Y5A was engineered for economy — focused drivers seeking d…
All production years (2007–2011) meet Euro 4 emissions standards .
The Ford Y5A is a 1,596 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks and MPVs (2007–2011). It combines DOHC architecture with sequential multi‑point fuel injection to deliver smooth low‑to‑mid range response and urban efficiency. Designed to meet Euro 4 emissions standards, it balances everyday usability with serviceability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,596 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 79.0 mm × 81.4 mm | |
Power output | 82 kW (110 PS) @ 6,000 rpm | |
Torque | 150 Nm @ 4,000 rpm | |
Fuel system | Sequential multi‑point fuel injection (Bosch ME7.5) | |
Emissions standard | Euro 4 | |
Compression ratio | 11.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain (maintenance‑free design) | |
Oil type | Ford WSS-M2C913-C (SAE 5W‑30) | |
Dry weight | 118 kg |
The Ford Y5A was used across Ford's C1 and B2E platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the C-MAX and modified airbox routing in the Fiesta—and from mid‑2009 the Focus Mk2 facelift adopted updated camshafts and ECU calibrations, creating minor interchange limits. 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 Y5A is generally dependable if maintained properly, but early models (pre-2009) are prone to camshaft wear. Post-2009 revisions improved durability significantly. Using correct 5W-30 Ford-spec oil and adhering to service intervals greatly extends engine life. Many examples exceed 200,000 km with no major issues.
Top issues include exhaust cam lobe wear (pre-2009), carbon buildup on intake valves, coolant sensor drift, and cam cover oil leaks. Cam wear is the most severe and is addressed in Ford TSB 08‑12‑09. Regular oil changes and using quality fuel help prevent most problems.
The Y5A powered the Ford Focus Mk2 (1.6i), C-MAX Mk1 (1.6i), and Fiesta Mk6 (1.6 Zetec) from 2007 to 2011. It was exclusive to European-market vehicles and not used in North America. All applications are transverse-mounted in front-wheel-drive layouts.
Modest gains are possible. ECU remapping typically yields +8–12 kW, limited by the naturally aspirated design and stock internals. Forced induction is not recommended without major bottom-end upgrades. Most owners focus on drivability tweaks rather than significant power increases.
In a Ford Focus 1.6i, expect ~7.2 L/100km (city) and ~5.1 L/100km (highway), or about 42 mpg UK combined. Real-world mixed driving typically returns 38–45 mpg (UK). Economy is best in light-load conditions; aggressive driving reduces efficiency significantly.
Yes. The Y5A is an interference design. If the timing chain fails (rare but possible), pistons can contact open valves, causing catastrophic damage. However, the chain is designed to last the engine’s lifetime if oil is changed regularly.
Ford specifies SAE 5W‑30 oil meeting WSS-M2C913-C (or newer) standard. This ensures proper cam lobe protection and sludge control. Always use a quality synthetic blend and change every 15,000 km or 12 months, whichever comes first.
Comprehensive technical documentation and regulatory references
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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.
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