The Ford GSH is a 1,498 cc, inline — three turbocharged petrol engine produced between 2019 and 2023. It features direct fuel injection, variable cam timing (Ti — VCT), and a compact turbocharger, delivering 96 kW (130 PS) and 200 Nm of torque in standard tune. This engine was engineered for responsive low — end performance and high fuel efficiency in Ford’s compact vehicle lineup.
Fitted to models such as the Ford Fiesta (Mk7.5), Focus (Mk4), and Puma (Mk1), the GSH 1.5L EcoBo…

Production years 2019–2023 meet Euro 6d-Full standards (VCA UK Type Approval #VCA/EMS/9012).
The Ford GSH is a 1,498 cc inline-three turbocharged petrol engine engineered for compact passenger vehicles (2019–2023). It combines direct fuel injection with Ti-VCT variable cam timing and turbocharging to deliver responsive low-RPM torque and strong fuel economy. Designed to meet Euro 6d-Full emissions standards, it serves as a modern, downsized powertrain for city and suburban driving.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,498 cc | |
Fuel type | Petrol | |
Configuration | Inline-3, DOHC, 12-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 81.6 mm | |
Power output | 96 kW (130 PS) @ 6,000 rpm | |
Torque | 200 Nm @ 1,400–4,500 rpm | |
Fuel system | Direct injection (Bosch HDEV6) | |
Emissions standard | Euro 6d-Full | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single-scroll turbo (Honeywell) | |
Timing system | Timing chain (single-row, front-mounted) | |
Oil type | Ford WSS-M2C946-D (5W-30) | |
Dry weight | 108 kg |
The Ford GSH 1.5L EcoBoost was used across Ford's Mk7.5 Fiesta/Mk4 Focus and Mk1 Puma platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the Fiesta and enhanced torque mounts in the Puma-and from 2021 the facelifted models adopted revised timing components, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The GSH's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in urban driving. Internal Ford quality reports from 2020 indicated a significant number of pre-2021 engines required tensioner replacement before 110,000 km, while UK DVSA records show increased catalyst efficiency failures in poorly maintained units. Cold-start cycles and short trips increase wear, making oil quality and interval adherence critical.
Analysis derived from Ford technical bulletins (2019–2023) and UK DVSA failure statistics (2020–2023). 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 GSH 1.5L EcoBoost offers strong fuel economy and responsive performance, but early models (2019–2020) are prone to timing chain tensioner wear. Later revisions (post-2021) addressed this with improved components. When maintained properly—especially oil changes with correct specification—these engines can reliably exceed 150,000 km. Using Ford WSS-M2C946-D oil and adhering to service intervals is critical for longevity.
Key issues include timing chain tensioner wear (especially pre-2021), turbo wastegate sticking, intake carbon buildup, and catalytic converter degradation. These are documented in Ford service bulletins and supported by DVSA MOT failure data. Regular maintenance, correct oil use, and prompt attention to warning rattle or misfires help prevent major repairs.
The GSH 1.5L EcoBoost was used in the Ford Fiesta (Mk7.5), Focus (Mk4), and Puma (Mk1) from 2019 to 2023. It was available in mid-to-high trim levels and was paired with either a 6-speed manual or 7-speed Powershift automatic transmission. All applications met Euro 6d-Full emissions standards.
Yes, the GSH 1.5L EcoBoost is popular for tuning. ECU remaps can yield gains of ~25–35 kW by optimizing boost, ignition, and fuel maps. Stage 1 tunes typically reach 170–180 PS reliably. Beyond this, supporting mods (intercooler, exhaust) are recommended. Tuning is well-supported by the aftermarket, but should not compromise reliability or emissions compliance.
Excellent for a turbo petrol engine. In combined driving, expect 6.2–7.0 L/100 km (40–45 mpg UK). Highway driving improves to ~5.5 L/100 km (51 mpg UK), while city use can range from 7.5–8.5 L/100 km (33–37 mpg UK). Real-world consumption depends heavily on driving style, with tuned or aggressive driving reducing efficiency.
Yes. The GSH 1.5L EcoBoost is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in bent valves or cylinder head damage. Immediate attention to any timing chain rattle is essential to prevent catastrophic engine failure.
Ford specifies 5W-30 synthetic oil meeting WSS-M2C946-D standard. This formulation ensures proper lubrication of the turbocharger and timing chain system. Oil should be changed every 15,000 km or annually, whichever comes first, to maintain reliability and prevent deposit formation.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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