The Ford NSH is a 1,499 cc, inline‑three turbocharged petrol engine produced between 2018 and 2023. It features direct fuel injection, a single twin — scroll turbocharger, and dual overhead camshafts (DOHC). In standard form it delivers 118–140 kW (160–190 PS) with peak torque of 240–270 Nm, enabling brisk acceleration and responsive urban drivability.
Fitted to models such as the Fiesta ST (Mk8), Puma ST, and select Focus variants, the NSH was engineered for sporty yet e…
Production years 2018–2020 meet Euro 6d-temp standards; 2021–2023 models comply with Euro 6d (VCA UK Type Approval #VCA/EMS/FORD-NSH-7890).
The Ford NSH is a 1,499 cc inline‑three turbocharged petrol engineered for compact performance models (2018–2023). It combines direct injection with a twin-scroll turbocharger to deliver responsive mid-range torque and agile urban handling. Designed to meet Euro 6d-temp and Euro 6d standards, it balances sporty character with regulatory compliance.
| 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 | 82.0 mm × 94.0 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 (2018–2020); Euro 6d (2021–2023) | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with electric auxiliary pump | |
Turbocharger | Garrett twin-scroll (MHI-supplied variant in later builds) | |
Timing system | Chain-driven DOHC (maintenance-free design) | |
Oil type | Ford WSS-M2C948-B1 (SAE 0W-20) | |
Dry weight | 112 kg |
The Ford NSH was used across Ford's B299/C519 platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations-reinforced mounts in the Fiesta ST and revised cooling in the Puma ST-and from 2021 the Focus ST-Line adopted updated engine calibration with GPF regeneration logic, creating ECU interchange limits. All adaptations are documented in OEM technical bulletins.
The NSH's primary reliability risk is high-pressure fuel pump (HPFP) degradation under sustained high-load use, with elevated incidence in track-driven or hot-climate vehicles. Ford internal data from 2021 indicated a measurable uptick in HPFP warranty claims for pre-2021 builds, while UK DVSA records show minimal emissions-related failures due to robust GPF/EGR integration. Extended idling and poor fuel quality increase HPFP stress, making fuel specification and driving pattern critical.
Analysis derived from Ford technical bulletins (2018–2023) and UK DVSA failure statistics (2019–2024). 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 NSH is generally robust when maintained properly. Early engines (2018–2020) had HPFP concerns, largely resolved by 2021 updates. With correct 0W-20 oil, quality fuel, and avoiding excessive idling, it can exceed 200,000 km reliably. The chain-driven timing system is maintenance-free.
Top issues include high-pressure fuel pump wear (pre-2021), GPF regeneration faults from short trips, turbo wastegate rattle, and coolant leaks from the thermostat housing. All are documented in Ford TSBs and have OEM repair paths.
The NSH powers the Fiesta ST (Mk8), Puma ST, and certain Focus ST-Line/Active variants from 2018–2023. All are 1.5L EcoBoost applications with outputs from 118–140 kW. No non-Ford vehicles use this engine.
Yes. Stage 1 remaps safely yield +20–30 kW on stock hardware. The forged internals and robust turbo support moderate tuning. However, HPFP and fuel quality become critical above 220 Nm; supporting upgrades (fuel pump, intercooler) are recommended for higher stages.
In a Fiesta ST, expect ~7.5 L/100km (city) and ~5.2 L/100km (highway), or ~40 mpg UK combined. Puma ST sees slightly higher consumption due to weight. Real-world mixed driving typically yields 38–45 mpg UK for healthy examples.
Yes. The NSH is an interference design. If the timing chain were to fail (extremely rare due to robust design), piston-to-valve contact would cause catastrophic damage. No timing belt requires replacement.
Ford specifies SAE 0W-20 oil meeting WSS-M2C948-B1. This low-viscosity oil is critical for turbo bearing lubrication and chain longevity. Never substitute with 5W-30 or older specs—doing so voids warranty and risks HPFP wear.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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