The Ford CJBA is a 1,498 cc, inline — four turbocharged petrol engine produced between 2018 and 2023. It forms part of Ford’s EcoBoost family, featuring direct fuel injection, twin — scroll turbocharging, and variable cam timing (Ti — VCT). Designed for compact and CUV applications, it delivers 110 kW (150 PS) and 250 Nm of torque, offering strong mid — range response for urban and highway driving.
Fitted to models including the Focus ST — Line, Kuga, and Edge, the CJBA engine w…
Production years 2018–2019 meet Euro 6c standards; 2020–2023 models comply with Euro 6d (VCA UK Type Approval #VCA/EMS/5678).
The Ford CJBA is a 1,498 cc inline-four turbocharged petrol engine engineered for compact and CUV platforms (2018–2023). It combines direct injection with a low-inertia twin-scroll turbocharger to deliver responsive mid-range performance. Designed to meet Euro 6d emissions standards, it balances drivability with efficiency, particularly in urban environments.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,498 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 77.0 mm × 80.4 mm | |
Power output | 110 kW (150 PS) @ 6,000 rpm | |
Torque | 250 Nm @ 1,600–4,000 rpm | |
Fuel system | Direct injection (up to 200 bar) | |
Emissions standard | Euro 6c (pre-2020); Euro 6d (2020–2023) | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Garrett twin-scroll with electronic wastegate | |
Timing system | Timing chain (front-mounted) | |
Oil type | Ford WSS-M2C949-A (5W-30) | |
Dry weight | 128 kg |
The Ford CJBA was used across Ford's C2 and CD4 platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the Focus and integrated 48V mild hybrid in the Kuga-and from 2020 the updated Kuga facelift adopted revised turbo calibration and charge cooling, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The CJBA's primary reliability risk is turbocharger wastegate actuator sticking, with elevated incidence in short-trip urban use. Ford internal field reports from 2019 indicated a significant number of pre-2020 units required actuator service before 100,000 km, while VCA data shows increased emissions-related failures in stop-start traffic. Frequent cold starts and low-speed operation increase carbon accumulation, making regular oil changes and periodic highway driving critical.
Analysis derived from Ford technical bulletins (2018-2022) and UK DVSA failure statistics (2019-2023). 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 CJBA engine is generally reliable when maintained properly, though pre-2020 models have a known issue with turbo wastegate actuator sticking. Later models (2020+) benefit from updated hardware and calibration. Regular oil changes and use of Ford-specified 5W-30 oil help prevent carbon buildup and ensure longevity beyond 150,000 km.
Key issues include turbo wastegate actuator sticking (especially pre-2020), intake carbon buildup due to direct injection, and timing chain tensioner wear. Mild hybrid variants may experience 48V battery degradation. These are documented in Ford Service Action 19M06 and technical bulletins.
The CJBA engine is used in the Ford Focus (2018–2022), Kuga (2019–2023, including mild hybrid), and Edge (2018–2020). It replaces earlier 1.5L EcoBoost variants and is specific to Euro 6d-compliant models with Ti-VCT and twin-scroll turbocharging.
Yes, the CJBA responds well to ECU remapping, with stage 1 tunes typically adding +20–30 kW. Stock internals handle moderate increases, but supporting mods like intercooler and exhaust improve reliability. Tuning may void warranty and affect emissions compliance.
In a Ford Kuga 1.5 EcoBoost, combined consumption is ~6.8 L/100km (~42 mpg UK). Real-world figures vary: city driving may see 8.0 L/100km, while highway runs can achieve 5.8 L/100km. Mild hybrid models improve urban efficiency by up to 10%.
Yes, the CJBA is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause severe internal damage. Immediate attention to timing-related noises is essential to avoid costly repairs.
Ford specifies WSS-M2C949-A (5W-30) synthetic oil. Change intervals are 15,000 km or 12 months. Using correct oil ensures proper turbo and timing chain lubrication, reducing wear and carbon formation in direct-injection engines.
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