The Ford SNJB is a 1,499 cc, inline‑three turbocharged petrol engine introduced in 2018 as part of the updated EcoBoost family. It features a DOHC 12‑valve layout, direct fuel injection, and a single twin‑scroll turbocharger. In standard tune it produces 92 kW (125 PS) and 200 Nm of torque, optimized for urban efficiency and responsive low‑end drivability.
Fitted primarily to the Fiesta (Mk8), Puma, and Transit Courier, the SNJB was engineered to meet stringent Euro 6d emissions standards while maintaining everyday usability. Emissions compliance is achieved through a gasoline particulate filter (GPF), cooled exhaust gas recirculation (EGR), and high-pressure fuel injection up to 250 bar.
One documented concern is premature wear of the high-pressure fuel pump (HPFP) cam follower, referenced in Ford Service Information Bulletin TSB‑20‑2155. This issue arises from marginal lubrication under frequent short-trip driving and extended oil change intervals, prompting Ford to revise the cam follower material and update maintenance guidance in 2021.
All SNJB engines meet Euro 6d standards from launch (VCA UK Type Approval #VCA/EMS/9530).
The Ford SNJB is a 1,499 cc inline‑three turbocharged petrol engine engineered for compact hatchbacks and light commercial vehicles (2018–present). It combines direct fuel injection with a twin‑scroll turbocharger to deliver brisk low‑end torque and urban agility. Designed to meet Euro 6d emissions standards from launch, it balances efficiency with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,499 cc | |
| Fuel type | Petrol (Gasoline) | |
| Configuration | Inline‑3, DOHC, 12‑valve | |
| Aspiration | Turbocharged (twin‑scroll) | |
| Bore × stroke | 79.0 mm × 81.0 mm | |
| Power output | 92 kW (125 PS) | |
| Torque | 200 Nm @ 1,600–3,500 rpm | |
| Fuel system | High-pressure direct injection (up to 250 bar) | |
| Emissions standard | Euro 6d (from launch) | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single twin‑scroll (Honeywell Garrett) | |
| Timing system | Belt‑driven | |
| Oil type | Ford WSS‑M2C945‑B1 (SAE 0W‑20) | |
| Dry weight | 107 kg |
The twin-scroll turbo provides immediate throttle response ideal for city driving but demands strict adherence to 15,000 km or 12-month oil change intervals. Ford WSS-M2C945-B1 (0W-20) oil is essential to protect the high-pressure fuel pump cam follower and turbo bearings. Extended oil intervals or frequent short trips without highway driving accelerate HPFP wear, as documented in TSB‑20‑2155. The GPF requires periodic sustained driving (>20 min at 2,000+ rpm) for passive regeneration. Cold starts should be followed by gentle driving to allow oil pressure to stabilize.
Oil Specs: Requires Ford WSS-M2C945-B1 (0W-20) specification (Ford Owner Manual – Puma 2020). Meets ACEA C5 standards.
Emissions: Euro 6d certification applies to all SNJB engines from 2018 onward (VCA Type Approval #VCA/EMS/9530). Includes RDE compliance.
Power Ratings: Measured under SAE J1349 standards. Power output validated at 6,000 rpm (Ford TIS Doc. M83678).
Ford Technical Information System (TIS): Docs M83456, M83567, M83678
Ford Service Information Bulletins: TSB-20-2155
VCA Type Approval Database (VCA/EMS/9530)
SAE International: J1349 Engine Power Certification Standards
The Ford SNJB was used across Ford's B299/C519 platforms with transverse mounting and no third-party licensing. This engine received platform-specific calibrations—revised ECU maps in the Fiesta for stop-start integration and compact intercooler routing in the Transit Courier—and from 2021 the introduction of an updated HPFP cam follower design, creating service distinctions. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the crank pulley (Ford TIS M83490). The 8th digit of the VIN indicates engine type ('N' for SNJB series). All SNJB units include a gasoline particulate filter (GPF) and use a black cam cover with '1.5 ECOBOOST' embossing. Critical differentiation from R9DC/PNDA: SNJB produces 125 PS (vs. 150/160 PS) and uses lower-boost turbo calibration. Service parts for fuel systems differ before and after 05/2021 due to cam follower material upgrade (Ford TSB‑20‑2155).
The SNJB's primary reliability risk is high-pressure fuel pump (HPFP) cam follower wear, with elevated incidence in vehicles driven primarily on short urban trips or with extended oil change intervals. Ford internal field data from 2021 indicated a notable rate of HPFP-related failures before 90,000 km in early builds, while UK DVSA records show increased MOT advisories for lambda sensor drift linked to GPF saturation. Stop-start urban cycles and infrequent highway driving accelerate wear, making adherence to service schedules critical.
Analysis derived from Ford technical bulletins (2018–2023) and UK DVSA failure statistics (2020–2025). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD SNJB.
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