The Ford F27A is a 1,596 cc, inline — four naturally aspirated petrol engine produced between 2014 and 2018. It belongs to Ford's Sigma engine family, designed for compact and subcompact applications requiring reliability and ease of maintenance. Equipped with dual overhead camshafts (DOHC), 16 valves, and port fuel injection, the F27A generates 85 kW (115 PS) and 155 Nm of torque, offering balanced performance for urban and highway driving.
Fitted primarily to the Fies…
All F27A engines comply with Euro 5 emissions standards (VCA UK Type Approval #VCA/EMS/4321).
The Ford F27A is a 1,596 cc inline-four naturally aspirated petrol engine engineered for compact models (2014–2018). It combines port fuel injection with a dual overhead camshaft layout to deliver predictable performance and low maintenance demands. Designed to meet Euro 5 emissions standards, it prioritizes durability and ease of service over high specific output.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,596 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 79.0 mm × 81.4 mm | |
Power output | 85 kW (115 PS) @ 6,300 rpm | |
Torque | 155 Nm @ 4,250 rpm | |
Fuel system | Port fuel injection (Bosch B3.1) | |
Emissions standard | Euro 5 | |
Compression ratio | 11.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Toothed belt (interval: 120,000 km or 6 years) | |
Oil type | Ford WSS-M2C913-C (5W-30) | |
Dry weight | 110 kg |
The Ford F27A was used across Ford's Mk7 platform with transverse mounting and shared architecture with Mazda for global applications. This engine received platform-specific adaptations-shorter intake runners in the B-Max and revised cooling paths in the Fiesta-and from 2016 the facelifted Fiesta ST-Line adopted minor ECU recalibrations, creating interchange limits. Partnerships enabled Mazda's 1.6L MZI units to leverage Ford's valve train design. All adaptations are documented in OEM technical bulletins.
The F27A's primary reliability risk is timing belt failure on early builds, with elevated incidence in hot climates and extended service intervals. Internal Ford quality reports from 2016 indicated a notable share of pre-2016 engines requiring belt replacement before 100,000 km, while UK DVSA records link a significant portion of emissions-related MOT failures to catalytic converter degradation in high-mileage vehicles. Extended idling and short trips increase thermal stress on the tensioner, making timely replacement critical.
Analysis derived from Ford technical bulletins (2014-2018) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
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The F27A delivers predictable performance and solid durability, but early models (2014–2015) had reliability concerns, especially timing belt tensioner failure. Later revisions (post-2016) improved tensioner heat resistance, so well-maintained examples can be very robust. Regular servicing and using correct oil (5W-30 Ford WSS-M2C913-C) greatly aid longevity.
The biggest issues are timing-belt tensioner wear (leading to belt slippage or breakage), idle air control valve sticking, and intake manifold runner flap cracking. Other complaints include oil leaks from gaskets and occasional catalytic converter clogging. These are well-documented in Ford service bulletins and technical reports.
This 1.6L petrol was used in Ford's compact lineup during the Euro 5 era. It appeared in the Fiesta (Mk7) and B-Max as the 1.6L Ti-VCT 115 PS. Mazda also used a derivative (as the 1.6L MZI) in the Mazda2 from 2015–2019. The engine is shared under the Ford-Mazda powertrain collaboration.
Limited tuning potential. The naturally aspirated F27A responds modestly to ECU remapping, typically gaining +10–15 kW on stage 1 due to intake and exhaust restrictions. Aftermarket upgrades (performance cam, exhaust, intake) can improve responsiveness. However, the port-injected system and modest compression limit high-power modifications. Most tuning focuses on throttle calibration rather than significant power gains.
Good for a naturally aspirated petrol. In a Fiesta 1.6L (115 PS) from 2016, typical consumption is ~8.2 L/100km (city) and ~5.4 L/100km (highway), or about 43 mpg UK combined. Real-world figures depend on driving style, but expect 40–45 mpg (UK) on mixed roads for a healthy F27A engine.
Yes. The F27A series is an interference engine. This means if the timing belt jumps or breaks, pistons can contact open valves, causing severe internal damage. That's why belt maintenance is critical - any signs of wear or noise should be addressed immediately to avoid catastrophic failure.
Ford specifies a 5W-30 synthetic oil meeting Ford WSS-M2C913-C (or newer) specification. Always use a quality oil designed for naturally aspirated petrol engines and change it at regular intervals (around 15,000 km or as Ford recommends) to ensure proper valve train lubrication and minimize deposits.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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