The Ford YUDA is a 1,596 cc, inline‑four turbocharged petrol engine produced between 2012 and 2018. It features a dual overhead camshaft (DOHC) layout with 16 valves and direct fuel injection. In standard form it delivered 132 kW (180 PS) and 240 Nm of torque, offering strong mid‑range response and brisk urban acceleration.
Fitted to models such as the Ford Focus ST Mk3, Focus RS (early development mules), and select European — market Mondeo variants, the YUDA was engineere…

All production years (2012–2018) meet Euro 5 emissions standards .
The Ford YUDA is a 1,596 cc inline‑four turbocharged petrol engine engineered for hot hatches and performance sedans (2012–2018). It combines DOHC architecture with direct fuel injection and a low-inertia turbocharger to deliver responsive power and strong torque from low revs. Designed to meet Euro 5 emissions standards, it balances sporty character with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,596 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 79.0 mm × 81.4 mm | |
Power output | 132 kW (180 PS) @ 5,700 rpm | |
Torque | 240 Nm @ 1,600–5,000 rpm | |
Fuel system | High-pressure direct injection (Bosch HDEV5) | |
Emissions standard | Euro 5 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single low-inertia turbo (Garrett GT15) | |
Timing system | Chain (maintenance‑free design) | |
Oil type | Ford WSS-M2C937-A (SAE 5W‑30) | |
Dry weight | 125 kg |
The Ford YUDA was used across Ford's C1 and CD4 platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—reinforced mounts in the Focus ST and revised cooling circuits in the Mondeo—and from late 2015 the Focus ST facelift adopted an updated high-pressure fuel pump and ECU strategy, 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 YUDA is generally robust if maintained properly, but early models (pre-2015) are prone to HPFP failure. Post-2015 revisions improved fuel system durability significantly. Using correct 5W-30 Ford-spec oil and EN 228-compliant fuel greatly extends engine life. Many examples exceed 180,000 km with no major issues.
Top issues include high-pressure fuel pump failure (pre-2015), turbo oil coking, carbon buildup on intake valves, and timing chain tensioner wear. HPFP wear is the most severe and is addressed in Ford TSB 14‑08‑11. Regular oil changes and quality fuel help prevent most problems.
The YUDA powered the Ford Focus ST Mk3 (1.6 EcoBoost 180 PS) from 2012–2018 and select Mondeo Mk4 variants (2013–2015). It was exclusive to European and global markets and not sold in North America. All applications are transverse-mounted in front-wheel-drive layouts.
Aftermarket ECU tuning is common on the YUDA 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.
In a Ford Focus ST, expect ~8.5 L/100km (city) and ~5.8 L/100km (highway), or about 33 mpg UK combined. Real-world mixed driving typically returns 28–35 mpg (UK). Economy suffers with aggressive driving due to turbo boost and higher revving nature.
Yes. The YUDA 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 with correct specification.
Ford specifies SAE 5W‑30 oil meeting WSS-M2C937-A (or newer) standard. This ensures proper turbo and HPFP 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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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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