The Ford F8D is a 1,596 cc, inline-three naturally aspirated petrol engine produced between 2014 and 2018. It belongs to Ford’s Dragon engine family, featuring twin independent variable cam timing (Ti-VCT) and an aluminium block and head. In standard tune it delivered 85 kW (115 PS) and 155 Nm of torque, primarily for European compact and supermini applications.
Fitted to models such as the Ford Fiesta (Mk7), Focus (C346), and B-Max, the F8D was engineered for urban efficiency and low ownership costs, targeting city and mixed driving conditions. Emissions compliance was achieved through a close-coupled catalytic converter and electronic throttle control, meeting Euro 6b standards across its production run.
One documented concern is intake manifold runner flap failure, particularly in high-mileage vehicles. This issue, noted in Ford Service Information Bulletin 16S04, stems from plastic flap degradation due to thermal cycling and oil vapour exposure. From 2016, Ford revised the material specification and recommended periodic inspection to prevent airflow restriction and driveability issues.
All production years (2014–2018) meet Euro 6b standards (VCA UK Type Approval #VCA/EMS/5432).
The Ford F8D is a 1,596 cc inline-three petrol engine engineered for compact and subcompact passenger vehicles (2014–2018). It combines Ti-VCT variable valve timing with port fuel injection to deliver responsive low-end torque and fuel-efficient operation. Designed to meet Euro 6b emissions standards, it prioritises simplicity, reliability, and ease of servicing.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,596 cc | |
| Fuel type | Petrol (Unleaded, 95 RON min) | |
| Configuration | Inline-3, DOHC, 12-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 79.0 mm × 81.4 mm | |
| Power output | 85 kW (115 PS) @ 6,350 rpm | |
| Torque | 155 Nm @ 4,500 rpm | |
| Fuel system | Sequential multi-port fuel injection (PFI) | |
| Emissions standard | Euro 6b | |
| Compression ratio | 12.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Single-row roller chain (front-mounted) | |
| Oil type | Ford WSS-M2C946-B (5W-30) | |
| Dry weight | 118 kg |
The naturally aspirated inline-three design provides smooth and responsive urban driving but is sensitive to intake manifold flap failure due to prolonged thermal stress. Ford WSS-M2C946-B (5W-30) oil is recommended for optimal valve train protection. High-mileage drivers should follow Ford SIB 16S04 guidelines for intake inspection every 60,000 km to prevent airflow restriction and misfires. The front-mounted timing chain is durable but requires adherence to 15,000 km service intervals to maintain lubrication and prevent premature wear. Emissions systems require periodic DTC checks to ensure catalytic converter efficiency and prevent non-compliance during UK MOT testing.
Oil Specs: Requires Ford WSS-M2C946-B (5W-30) specification (Ford SSM 14-0765). Compatible with ACEA A1/B1 and API SN standards.
Emissions: All F8D models comply with Euro 6b standards (VCA Type Approval #VCA/EMS/5432), applicable from 2014–2018.
Power Ratings: Measured under SAE J1349 standards. Output may vary slightly with fuel quality and ambient conditions (Ford TIS Doc. W26015).
Ford Technical Information System (TIS): Docs W28080, W28102, SIB 16S04
VCA Type Approval Database (VCA/EMS/5432)
SAE International: J1349 Engine Power Certification Standards
EU Regulation (EC) No 715/2007
The Ford F8D was used across Ford's C1 platform with transverse mounting. This engine received platform-specific adaptations-shortened intake manifolds in the Fiesta and revised cooling in the B-Max-and from 2016 the Focus facelift adopted updated intake manifold flaps, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped vertically on the left-side cylinder block near the transmission bellhousing (Ford TIS W28180). The 8th VIN digit indicates engine type ('L' for F8D). Pre-2016 models have silver valve covers with black coil packs; post-2016 units use black valve covers with updated intake manifold flaps. Critical differentiation from F8E: Original F8D uses port fuel injection, while F8E features direct injection. Service parts require production date verification - intake manifolds for engines before 03/2016 are incompatible with later units due to flap material upgrade (Ford SIB 16S04).
The F8D's primary reliability risk is intake manifold runner flap failure in high-mileage applications, with elevated incidence in stop-start urban use. Internal Ford service reports from 2017 indicated a notable share of pre-2016 engines requiring intake inspection before 100,000 km, while UK DVSA MOT statistics link a significant portion of emissions-related failures to airflow restriction from broken flaps. Frequent cold starts and short trips increase thermal cycling stress, making maintenance adherence critical.
Analysis derived from Ford technical bulletins (2014–2018) and UK DVSA failure statistics (2016–2022). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD F8D.
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.
