The Ford XUJN is a 1,499 cc, inline‑four turbo‑petrol engine produced between 2018 and 2024. It features direct fuel injection, a single twin — scroll turbocharger, dual overhead camshafts (DOHC), and cylinder deactivation (ACT) for improved part — load efficiency. In standard applications it delivers 134 kW (182 PS) and 240 Nm of torque, with responsive performance across the rev range.
Fitted to models such as the Focus Mk4 (C519), Kuga Mk3, and Puma, the XUJN was engine…
All production years (2018–2024) meet Euro 6d emissions standards .
The Ford XUJN is a 1,499 cc inline‑four turbo‑petrol engineered for compact and crossover models (2018–2024). It combines gasoline direct injection with a twin‑scroll turbocharger and cylinder deactivation to deliver brisk acceleration and reduced CO₂ under light loads. Designed to meet Euro 6d standards, it integrates a gasoline particulate filter for urban emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,499 cc | |
Fuel type | Petrol (Gasoline) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged (twin‑scroll) | |
Bore × stroke | 71.9 mm × 92.0 mm | |
Power output | 134 kW (182 PS) | |
Torque | 240 Nm @ 1,600–4,000 rpm | |
Fuel system | High-pressure direct injection (up to 250 bar) | |
Emissions standard | Euro 6d | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single twin‑scroll (Honeywell Garrett) | |
Timing system | Chain (front‑mounted; maintenance-free design) | |
Oil type | Ford WSS‑M2C948‑B (SAE 5W‑30) | |
Dry weight | 130 kg |
The Ford XUJN was used across Ford's C519/CD539 platforms with transverse mounting and no external licensing. This engine received platform-specific calibrations—revised cooling in the Kuga and torque-limiting software in the Puma ST-Line—and from 2021 the updated HPFP design created minor hardware interchange limits. All adaptations are documented in OEM technical bulletins.
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The XUJN offers strong performance and modern efficiency, but is susceptible to HPFP wear and GPF saturation if not properly maintained. With timely oil changes using Ford-specified 5W-30 and regular highway driving to regenerate the GPF, it can reliably exceed 200,000 km. Avoid aggressive tuning without supporting fuel system upgrades.
Top issues include high-pressure fuel pump wear, GPF saturation from short trips, cylinder deactivation solenoid faults, and turbo actuator calibration drift. These are documented in Ford Service Bulletin SSM 51203 and TIS updates. Most are preventable with correct maintenance and driving habits.
The XUJN powers the Focus Mk4 (2018–2024), Kuga Mk3 (2019–2024), and Puma (2019–2024), all with the 1.5L EcoBoost 182 PS variant. It features cylinder deactivation and a GPF for Euro 6d compliance. It was never used in commercial vehicles or licensed to other manufacturers.
Aftermarket ECU tuning is common on the XUJN 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 1.5 EcoBoost 182 PS, real-world consumption is ~7.8 L/100km (city) and ~5.4 L/100km (highway), or about 38 mpg UK combined. Mixed driving typically yields 35–42 mpg (UK). Economy suffers if the GPF is saturated or if driven aggressively in urban conditions.
Yes. The XUJN is an interference engine. If the timing chain fails (extremely rare due to robust design), pistons can contact open valves, causing severe internal damage. However, the chain is designed for life and requires no scheduled replacement if oil is maintained properly.
Ford specifies SAE 5W-30 oil meeting WSS-M2C948-B (low-SAPS, ACEA C2/C3). This protects the GPF, turbo, and HPFP. Change every 16,000 km or annually. Never use non-approved oils, as they can accelerate HPFP wear and cause GPF blockage.
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Regulation (EC) No 715/2007
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