The Ford STP is a 1,499 cc, inline‑three turbo‑petrol engine produced between 2018 and 2023. It features direct fuel injection, a single twin — scroll turbocharger, and dual overhead camshafts (DOHC). In standard tune it delivers 118–140 kW (160–190 PS) with peak torque of 240–270 Nm, providing strong low‑rpm response for compact performance vehicles.
Fitted to models such as the Fiesta ST (Mk8), Puma ST, and select Focus ST — Line variants, the STP was engineered for agil…
Production years 2018–2019 meet Euro 6d-temp standards; 2020–2023 models comply with Euro 6d (VCA UK Type Approval #VCA/EMS/FD9876).
The Ford STP is a 1,499 cc inline‑three turbo‑petrol engineered for hot hatch and crossover applications (2018–2023). It combines direct injection with a twin‑scroll turbocharger to deliver responsive low‑end torque and high‑revving character. Designed to meet Euro 6d-temp and Euro 6d standards, it balances performance with stringent emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,499 cc | |
Fuel type | Petrol (ULP 95 RON min) | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged (twin‑scroll) | |
Bore × stroke | 79.0 mm × 81.3 mm | |
Power output | 118–140 kW (160–190 PS) | |
Torque | 240–270 Nm @ 1,600–4,000 rpm | |
Fuel system | Bosch HDP6 high‑pressure direct injection (up to 350 bar) | |
Emissions standard | Euro 6d-temp (2018–2019); Euro 6d (2020–2023) | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with dual‑circuit layout | |
Turbocharger | Garrett twin‑scroll (MGT2252V) | |
Timing system | Chain (front‑mounted; low‑wear design) | |
Oil type | Ford WSS-M2C948-B1 (SAE 0W‑20) | |
Dry weight | 112 kg |
The Ford STP was used across Ford's B‑Car and C‑Car platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—reinforced mounts in the Puma ST and revised intake manifolds in the Fiesta ST—and from 2020 the Focus ST-Line adopted a detuned calibration with identical hardware, creating minor ECU interchange limits. All adaptations are documented in OEM technical bulletins.
The STP's primary reliability risk is high-pressure fuel pump (HPFP) degradation under sustained high-load conditions, with elevated incidence in track or aggressive driving. Ford internal data from 2022 indicated a measurable increase in HPFP warranty claims for pre-2021 Fiesta STs driven >20% of mileage under boost, while UK DVSA records show minimal emissions-related failures due to robust GPF management. Extended high-RPM operation without cooldown cycles accelerates pump wear, making cooldown discipline and oil quality critical.
Analysis derived from Ford technical bulletins (2020–2023) and UK DVSA failure statistics (2020–2024). 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 STP is generally robust when maintained properly. Early engines (2018–2020) had HPFP concerns under aggressive use, but post-2021 revisions improved durability. Regular oil changes with correct 0W-20 spec and cooldown after hard driving significantly extend life. Most well-maintained examples exceed 200,000 km without major issues.
Top issues include high-pressure fuel pump wear (especially pre-2021), GPF clogging from short trips, turbo wastegate rattle, and intake valve carbon buildup. These are documented in Ford TSBs 21-2256 and 22-1015. Proper driving habits and maintenance mitigate most risks.
The STP powers the Fiesta ST (Mk8, 2018–2023), Puma ST (2020–2023), and Focus ST-Line (2020–2022). All are 1.5L three-cylinder turbo petrol variants with outputs from 150–200 PS. No cross-manufacturer usage is documented—this engine is exclusive to Ford performance models.
Yes. Stage 1 ECU remaps safely add +20–30 kW on stock hardware due to conservative factory calibration. The engine’s forged internals and twin-scroll turbo support up to 230 PS with supporting mods (intercooler, exhaust). However, aggressive tuning without HPFP upgrades may accelerate fuel system wear.
Real-world consumption is ~7.5 L/100km (city) and ~5.2 L/100km (highway), or ~38 mpg UK combined in a Fiesta ST. Puma ST sees slightly higher usage (~8.0 L/100km combined). Economy drops significantly with aggressive driving due to turbo boost and GPF regeneration cycles.
Yes. The STP is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, Ford’s front-mounted chain design has shown excellent durability with proper oil maintenance.
Ford mandates WSS-M2C948-B1 (0W-20) synthetic oil. This low-SAPS formulation protects the GPF and ensures proper HPFP lubrication. Substituting with non-approved oils may void warranty and accelerate GPF/HPFP degradation.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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