The Ford UFDB is a 1,499 cc, inline‑three turbocharged petrol engine produced between 2018 and 2024. It features a DOHC 12‑valve layout, gasoline direct injection (GDI), and a single twin‑scroll turbocharger. In standard form it delivered 118 kW (160 PS) at 6,000 rpm with 250 Nm of torque at 1,600–4,000 rpm, providing responsive low — end thrust and improved fuel economy over larger four — cylinder units.
Fitted to models such as the Ford Focus Mk4, Puma, and Fiesta ST (2023+…
All production years (2018–2024) comply with Euro 6d emissions standards (VCA UK Type Approval #VCA/EMS/FORD-UFDB-2019).
The Ford UFDB is a 1,499 cc inline‑three turbocharged petrol engine engineered for compact and subcompact vehicles (2018–2024). It combines gasoline direct injection with a twin‑scroll turbocharger to deliver brisk low-end torque and efficient urban driving. Designed to meet stringent Euro 6d emissions standards, it integrates a gasoline particulate filter and cooled EGR for regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,499 cc | |
Fuel type | Petrol (Gasoline) | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 76.0 mm × 87.5 mm | |
Power output | 118 kW (160 PS) @ 6,000 rpm | |
Torque | 250 Nm @ 1,600–4,000 rpm | |
Fuel system | High-pressure gasoline direct injection (up to 200 bar) | |
Emissions standard | Euro 6d | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with electric auxiliary pump | |
Turbocharger | Single twin‑scroll turbo (BorgWarner B03) | |
Timing system | Chain-driven DOHC (front-mounted) | |
Oil type | Ford WSS‑M2C948‑B (SAE 5W‑30 synthetic) | |
Dry weight | 102 kg |
The Ford UFDB was used across Ford's C2 and B2E platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—integrated belt-driven starter-generator (BISG) in the Puma and Focus Mk4 mild-hybrid variants, and reinforced mounts in the Fiesta ST (2023+)—and from 2022 the HPFP and cam follower were revised to address wear concerns, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.
The UFDB's primary reliability risk is high-pressure fuel pump (HPFP) wear due to marginal lubrication in the cam-driven follower mechanism, with elevated incidence in vehicles subjected to extended oil change intervals or low-quality fuel. Ford internal field reports from 2021 noted a measurable rate of P0087 fuel rail pressure faults after 60,000 km in non-compliant maintenance cases, while UK DVSA MOT data shows GPF-related warning lights as a secondary concern in high-idle urban use. Adherence to oil specs and fuel quality makes HPFP longevity critical.
Analysis derived from Ford technical bulletins (2018–2024) and UK DVSA failure statistics (2020–2025). 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 UFDB offers strong efficiency and performance but demands strict maintenance. HPFP wear is the top concern, especially with poor oil or fuel quality. Using Ford-specified 5W‑30 oil, adhering to 10,000 km intervals, and choosing TOP TIER fuel greatly improve reliability. Many well-maintained examples exceed 150,000 km without major issues.
Top issues include HPFP failure (P0087), GPF saturation from short trips, turbo wastegate rattle, and timing chain tensioner wear. These are documented in Ford TSB‑21‑0015 and related service updates. Most are preventable with proper maintenance and driving habits.
The UFDB powers the Ford Focus Mk4 (2018–2024), Puma (2019–2024), and Fiesta ST (2023–2024). The Focus and Puma use a mild-hybrid 48V system; the Fiesta ST is non-hybrid. No cross-manufacturer usage is documented.
Yes. Stage 1 ECU remaps typically yield +20–25 kW safely on stock hardware. The three-cylinder bottom end is robust, but HPFP and turbo durability become limiting factors beyond 200 PS. Supporting upgrades like a high-flow fuel pump and intercooler are recommended for Stage 2 tuning.
In a Focus Hybrid: ~5.8 L/100km (49 mpg UK) combined. Real-world figures range from 45–55 mpg UK depending on driving style. Highway cruising can achieve ~4.9 L/100km (58 mpg UK), while city driving drops to ~6.5 L/100km (43 mpg UK).
Yes. The UFDB is an interference design. If the timing chain fails or jumps, pistons can contact open valves, causing catastrophic engine damage. Regular inspection of chain tensioners and oil quality is essential.
Ford specifies WSS‑M2C948‑B (5W‑30) synthetic oil—a low-SAPS, ACEA C2/C3 formulation. This protects the HPFP, turbo, and GPF. Never use non-approved oils, as they may accelerate HPFP wear or cause GPF clogging.
Comprehensive technical documentation and regulatory references
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FORD Official Site
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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)
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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
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