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 .
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 | Refer to vehicle handbook / manufacturer specification | |
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.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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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.
Aftermarket ECU tuning is common on the D5BA platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
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
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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.
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