The Ford D5BA is a 1,999 cc, inline — four petrol engine produced between 2018 and 2023. It belongs to Ford's EcoBoost family, featuring direct fuel injection, turbocharging, and twin — independent variable cam timing (Ti — VCT). In standard tune, it delivers 147 kW (200 PS) and 320 Nm of torque, offering strong mid — range performance and improved efficiency over naturally aspirated units.
Fitted to models such as the Focus ST (Mk4), Puma ST, and Kuga ST — Line, the D5BA engine…
Production years 2018–2023 meet Euro 6.2 standards (VCA UK Type Approval #VCA/EMS/6789).
The Ford D5BA is a 1,999 cc inline-four turbocharged petrol engine engineered for performance-oriented compact and crossover vehicles (2018–2023). It combines high-pressure direct injection with a low-inertia turbocharger and Ti-VCT to deliver strong mid-range pull. Designed to meet Euro 6.2 emissions, it balances sporty character with regulated efficiency in transverse powertrain layouts.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,999 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 87.5 mm × 83.1 mm | |
Power output | 147 kW (200 PS) @ 5,500 rpm | |
Torque | 320 Nm @ 2,500–4,000 rpm | |
Fuel system | Bosch HDEV6 direct injection (up to 250 bar) | |
Emissions standard | Euro 6.2 | |
Compression ratio | 9.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Honeywell GT2048V variable-vane turbo | |
Timing system | Chain-driven (integrated oiling) | |
Oil type | Ford WSS-M2C946-C2 (5W-30) | |
Dry weight | 132 kg |
The Ford D5BA was used across Ford's C2 and CD535 platforms with transverse mounting and performance tuning. This engine received platform-specific adaptations-shorter intake runners in the Puma ST and revised exhaust manifolds in the Kuga-and from 2020 the facelifted Focus ST Mk4.5 adopted upgraded intercooler housings, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The D5BA's primary reliability risk is intercooler duct cracking under sustained boost, with elevated incidence in high-temperature environments. Internal Ford field reports from 2021 indicated a significant number of pre-2020 units required duct replacement before 80,000 km, while UK DVSA records show increased catalytic converter failures linked to undetected boost leaks. Frequent short trips and aggressive driving amplify thermal cycling stress, making periodic duct inspection critical.
Analysis derived from Ford technical bulletins (2018-2022) and UK DVSA failure statistics (2019-2023). 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 D5BA offers strong performance and refinement, but pre-2020 models are prone to intercooler duct cracking. Post-2020 revisions resolved most of these issues. With regular maintenance, timely oil changes using Ford WSS-M2C946-C2, and use of quality fuel, the engine can reliably exceed 150,000 km. Turbo and fuel pump longevity depend heavily on operating conditions and service adherence.
Key issues include intercooler duct cracking (especially pre-2020), turbo wastegate sticking, high-pressure fuel pump wear, and elevated oil consumption. These are documented in Ford service bulletins, particularly SIB 19B21 for intercooler duct failures. Carbon buildup on intake valves is also common due to direct injection design.
The D5BA engine was used in the Ford Focus ST Mk4 (2018–2023), Puma ST (2019–2023), and Kuga Mk3 (2019–2023). It was designated as the 2.0L EcoBoost (200 PS) and paired with 6-speed manual and 8-speed automatic transmissions. Most applications are front-wheel drive, with AWD available in the Kuga variant.
Yes, the D5BA responds well to ECU remapping. Stage 1 tunes typically yield +30–45 kW safely, as the stock turbo and internals tolerate moderate over-boost. However, exceeding 250 PS risks triggering over-boost protection or accelerating wear in the wastegate and fuel system. Supporting mods like intercooler upgrade are recommended for higher stages.
In a Focus ST 2.0 EcoBoost, combined consumption is approximately 7.8 L/100km (36.2 mpg UK). Real-world figures vary: city driving may see 10.5 L/100km (26.9 mpg), while highway cruising can achieve 6.5 L/100km (43.5 mpg). Aggressive driving reduces efficiency significantly due to turbo boost and fuel enrichment.
Yes, the D5BA is an interference engine. If the timing chain fails or skips, piston-to-valve contact will occur, resulting in severe internal damage. While chain life is generally long, any abnormal noise from the front cover should prompt immediate inspection to prevent catastrophic failure.
Ford specifies 5W-30 synthetic oil meeting WSS-M2C946-C2 standard. This low-SAPS formulation is critical for turbocharger and direct injector protection. Oil changes should occur every 15,000 km or annually, whichever comes first, to maintain optimal engine cleanliness and longevity.
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.