The Ford DOFA is a 1,999 cc, inline — four naturally aspirated petrol engine produced between 2018 and 2023. It forms part of Ford's Sigma engine family, designed for compact and subcompact vehicle applications with an emphasis on reliability and cost — effective ownership. Featuring dual independent variable cam timing (Ti — VCT), port fuel injection, and a lightweight aluminium block, it delivers smooth, predictable power delivery ideal for urban commuting and light…
Production years 2018–2023 meet Euro 6c standards (VCA UK Type Approval #VCA/EMS/7890).
The Ford DOFA is a 1,999 cc inline-four naturally aspirated petrol engine engineered for compact vehicles (2018–2023). It combines port fuel injection with dual Ti-VCT to deliver smooth power delivery and strong low-end response. Designed to meet Euro 6c standards, it balances fuel economy with emissions compliance and everyday drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,999 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 82.5 mm × 93.2 mm | |
Power output | 88–103 kW (120–140 PS) | |
Torque | 170–188 Nm @ 4,500 rpm | |
Fuel system | Port fuel injection (Delphi ML4) | |
Emissions standard | Euro 6c | |
Compression ratio | 12.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Chain-driven (DOHC, dual Ti-VCT) | |
Oil type | Ford WSS-M2C913-C (SAE 5W-20) | |
Dry weight | 116 kg |
The Ford DOFA was used across Ford's B298, C519, and C346 platforms with transverse mounting. This engine received platform-specific tuning—slightly revised torque curve in the Puma and cold-start calibration in the Focus—and from 2020, the updated Fiesta adopted a revised sensor bracket, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The DOFA's primary reliability risk is false crankshaft position sensor faults in early builds, with increased incidence in vehicles used for urban commuting. Internal Ford quality reports from 2021 indicated a notable share of pre-2020 engines receiving customer complaints about intermittent limp mode, while UK DVSA records show a moderate increase in emissions-related faults linked to catalyst efficiency in short-trip vehicles. Frequent cold starts and use of non-recommended fuel increase knock sensor activity, making fuel quality and maintenance adherence critical.
Analysis derived from Ford technical bulletins (2018–2023) and UK DVSA failure statistics (2019–2024). 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 DOFA is generally reliable with strong build quality and straightforward maintenance. Early models (2018–2020) had intermittent sensor fault issues, but post-2020 revisions resolved this. No major mechanical flaws are documented, and with regular servicing using correct oil (WSS-M2C913-C), these engines typically exceed 150,000 km without major repairs.
Key issues include false crankshaft sensor codes (pre-2020), timing chain tensioner wear, knock sensor false triggering with low-octane fuel, and exhaust manifold cracking due to thermal stress. These are documented in Ford service bulletins. Using correct fuel and oil significantly reduces risk.
The DOFA is used in the Fiesta (B298, 2018–2023), Focus (C519, 2019–2023), and Puma (C346, 2020–2023). Each application has minor calibration differences. It is not used in EcoBoost or diesel variants and was phased out in favour of the 1.0L EcoBoost in 2024.
Limited potential. As a naturally aspirated engine with port injection, ECU remapping yields minimal gains (typically +5–10 kW). Performance improvements are better achieved through intake/exhaust modifications, but gains are modest. The engine is not designed for forced induction upgrades.
In the Fiesta 1.0, expect ~7.0 L/100km (city) and ~5.0 L/100km (highway), or ~40 mpg UK combined. In the Focus, figures are ~7.4 L/100km combined. Real-world consumption depends on driving style, but aggressive use can exceed 9 L/100km.
Yes. The DOFA is an interference engine. If the timing chain fails, pistons can contact valves, causing severe internal damage. Chain and tensioner maintenance is critical—any rattling should be investigated immediately to prevent costly repairs.
Ford specifies SAE 5W-20 meeting WSS-M2C913-C spec. Use only Ford-approved or equivalent synthetic oil designed for naturally aspirated Ti-VCT engines. Change every 15,000 km or annually to protect the timing chain and camshafts.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with FORD or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
FORD Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialFORD documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.
All external links open in new tabs. Please verify current availability of resources.