The Ford M1JL is a 1,498 cc, inline-four, naturally aspirated petrol engine produced between 2018 and 2023. It features double overhead camshafts (DOHC), multi-point fuel injection (MPFI), and Ti-VCT (Twin-independent Variable Cam Timing) for improved efficiency and responsiveness. In standard tune, it delivers 88 kW (120 PS) and 158 Nm of torque, primarily aimed at entry-level compact and subcompact applications.
Fitted to models such as the Fiesta (Mk8), Focus (Mk4), and Puma, the M1JL was engineered for urban economy and light-duty commuting. Emissions compliance was achieved through a close-coupled catalytic converter and EGR system, allowing Euro 6.2 compliance across its production run. The engine's character prioritises fuel efficiency and low maintenance over high performance.
One documented concern involves premature wear of the timing chain tensioner, particularly under short-trip driving conditions. This issue, referenced in Ford Service Action 19S06, is linked to oil starvation during frequent cold starts. From 2021, revised tensioner materials and updated oil change recommendations were implemented to improve durability.
Production years 2018–2023 meet Euro 6.2 standards (VCA UK Type Approval #VCA/EMS/5678).
The Ford M1JL is a 1,498 cc inline-four petrol engine engineered for subcompact and compact vehicles (2018–2023). It combines MPFI with Ti-VCT to deliver responsive low-end torque and improved fuel economy. Designed to meet Euro 6.2 standards, it balances urban drivability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,498 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 79.0 mm × 76.5 mm | |
| Power output | 88 kW (120 PS) @ 6,200 rpm | |
| Torque | 158 Nm @ 4,250 rpm | |
| Fuel system | Multi-point fuel injection (MPFI) | |
| Emissions standard | Euro 6.2 | |
| Compression ratio | 12.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Chain (front-mounted) | |
| Oil type | Ford WSS-M2C946-B (5W-30) | |
| Dry weight | 112 kg |
The naturally aspirated design provides predictable throttle response ideal for city driving but requires strict adherence to 15,000 km oil change intervals to prevent timing chain wear. Ford WSS-M2C946-B (5W-30) oil is essential due to its formulation supporting the front-mounted chain tensioner. Short-trip driving increases risk of sludge and chain wear; extended idling should be minimised. The MPFI system is less sensitive to fuel quality than GDI but still benefits from TOP TIER petrol. Post-2021 models feature upgraded tensioner materials; pre-2021 units should be inspected per Ford SIB 19S06. EGR system requires periodic cleaning to prevent manifold clogging.
Oil Specs: Requires Ford WSS-M2C946-B (5W-30) specification (Ford SIB 19S06). Supersedes ACEA A1/B1 requirements.
Emissions: Euro 6.2 certification applies to all models (2018–2023) (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under SAE J1349 standards. Output consistent across all markets (Ford TIS Doc. F16001).
Ford Technical Information System (TIS): Docs F14980, F15122, SIB 19S06
VCA Type Approval Database (VCA/EMS/5678)
SAE International: J1349 Engine Power Certification Standards
The Ford M1JL was used across Ford's Mk8 Fiesta/Mk4 Focus platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the Fiesta and revised engine mounts in the Puma-and from 2021, updated tensioner hardware was introduced across all applications, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front timing cover (Ford TIS F14985). The 8th VIN digit indicates engine family ('J' for M1JL series). Pre-2021 models have silver valve covers; post-2021 units use black valve covers. Critical differentiation from 1.0L EcoBoost: M1JL has a traditional intake manifold with throttle body, while EcoBoost features turbo plumbing and intercooler lines. Service parts require production date verification - timing tensioners for engines before 06/2021 are incompatible with later units due to internal redesign (Ford SIB 19S06).
The M1JL's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in urban short-trip use. Internal Ford quality reports from 2020 noted a measurable rate of tensioner-related noise in pre-2021 units before 100,000 km, while UK DVSA data links intake clogging to EGR faults in city-driven examples. Frequent cold starts and extended idling increase chain stress, making oil quality and interval adherence critical.
Analysis derived from Ford technical bulletins (2018-2023) and UK DVSA failure statistics (2019-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD M1JL.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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