The Ford NEK 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 applications it delivers 118–140 kW (160–190 PS) with peak torque of 240–270 Nm, enabling brisk low‑rpm response and efficient motorway cruising.
Fitted to models such as the Mk8 Fiesta, Puma, and Focus Mk4—including ST — Line and mild — hybrid EcoBoost v…
All production years 2018–2023 meet Euro 6d TEMP or Euro 6d standards depending on registration date (VCA UK Type Approval #VCA/EMS/F2389).
The Ford NEK is a 1,499 cc inline‑three turbocharged petrol engineered for compact and subcompact models (2018–2023). It combines direct injection with a twin‑scroll turbocharger to deliver responsive low‑end torque and smooth high‑rpm power. Designed to meet Euro 6d TEMP/Euro 6d emissions standards, it balances performance with urban efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,499 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 79.0 mm × 81.5 mm | |
Power output | 118–140 kW (160–190 PS) | |
Torque | 240–270 Nm @ 1,600–4,000 rpm | |
Fuel system | Bosch HDP5 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 | Twin‑scroll turbo (Honeywell/Mitsubishi) | |
Timing system | Chain-driven (front‑mounted) | |
Oil type | Ford WSS-M2C948-B1 (SAE 0W‑20) | |
Dry weight | 112 kg |
The Ford NEK was used across Ford's B299/C2 platforms with transverse mounting and mild-hybrid integration in select variants. This engine received platform-specific adaptations—reinforced mounts in the Puma and hybrid belt-integrated starter in the Focus EcoBoost Hybrid—and from 2021 the Fiesta ST-Line adopted revised engine mounts and exhaust manifolds, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
The NEK's primary reliability risk is high-pressure fuel pump (HPFP) wear in early builds, with elevated incidence in sustained high-load or low-quality fuel usage. Ford internal field data from 2021 indicated a measurable increase in HPFP-related warranty claims for 2018–2020 models before 80,000 km, while UK DVSA MOT records show minimal emissions failures due to robust GPF/EGR calibration. Frequent short trips and E10+ ethanol blends exacerbate fuel system stress, making fuel quality and oil specification critical.
Analysis derived from Ford technical bulletins (2019–2023) and UK DVSA failure statistics (2020–2023). 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 NEK is generally robust when maintained properly. Early models (2018–2020) had HPFP concerns, but post-2021 revisions improved durability. Using correct 0W-20 oil and quality petrol ensures longevity. Most issues arise from poor maintenance or fuel quality, not inherent design flaws.
Top issues include high-pressure fuel pump wear (2018–2020), GPF clogging from short trips, turbo wastegate rattle, and coolant leaks from the thermostat housing. These are documented in Ford SIB 19M02 and related TSBs. Regular servicing mitigates most risks.
The NEK powers the Fiesta Mk8 (1.5 EcoBoost 160/190), Puma (1.5 EcoBoost 155 and mild-hybrid), and Focus Mk4 (1.5 EcoBoost Hybrid 155) from 2018–2023. All are transverse-mounted applications with Euro 6d TEMP or Euro 6d compliance.
Yes. Stage 1 ECU remaps typically yield +20–30 kW safely on stock internals. The twin-scroll turbo and direct injection support moderate tuning. However, aggressive tuning without HPFP and intercooler upgrades may accelerate wear, especially on pre-2021 engines.
In a Puma 1.5 EcoBoost Hybrid, expect ~6.2 L/100km (city) and ~4.8 L/100km (highway), or ~52 mpg UK combined. Non-hybrid Fiesta variants average 5.5–6.0 L/100km (47–51 mpg UK). Real-world figures vary with driving style and trip length.
Yes. The NEK is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the chain is front-mounted and generally reliable with proper oil changes.
Ford specifies SAE 0W-20 oil meeting WSS-M2C948-B1. This low-viscosity oil is critical for GPF protection and HPFP lubrication. Never use older specs like WSS-M2C945-A or non-approved 5W-30 oils.
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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