The Ford RFM is a 1,499 cc, inline‑three turbo‑petrol engine introduced in 2018 as part of Ford’s EcoBoost family. It features a DOHC 12‑valve layout, direct fuel injection, and a single twin‑scroll turbocharger. In standard form it produces 110–125 kW (150–170 PS) with torque between 240–270 Nm, offering responsive low‑end pull and efficient urban performance.
Fitted to models such as the Fiesta, Puma, and Focus, the RFM was engineered for compact efficiency without s…
Production years 2018–2019 meet Euro 6d-TEMP standards; 2020–present models comply with Euro 6d .
The Ford RFM is a 1,499 cc inline‑three turbo‑petrol engineered for compact applications (2018–present). It combines direct injection with a twin‑scroll turbocharger to deliver brisk low‑rpm response and smooth mid‑range pull. Designed to meet Euro 6d-TEMP (early builds) and Euro 6d (2020 onward), it balances everyday usability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,499 cc | |
Fuel type | Petrol (ULP 95 RON min, 98 RON recommended) | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged (twin‑scroll) | |
Bore × stroke | 79.0 mm × 81.3 mm | |
Power output | 110–125 kW (150–170 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 (2018–2019); Euro 6d (2020–present) | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with electric auxiliary pump | |
Turbocharger | Single twin‑scroll (Honeywell Garrett) | |
Timing system | Chain (front‑mounted, maintenance‑free design) | |
Oil type | Ford WSS‑M2C949‑A (SAE 0W‑20) | |
Dry weight | 111 kg |
The Ford RFM was used across Ford's B‑Car and C‑Car platforms with transverse mounting and no external licensing. This engine received platform-specific calibrations—revised cooling in the Focus and updated mounts in the Puma—and from 2020 the Fiesta adopted updated ECU maps for cam lobe durability, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The RFM is generally robust when maintained properly. Early models (2018–mid-2021) had HPFP cam lobe concerns, but Ford’s mid-2021 update resolved most issues. Using 95+ RON fuel (98 RON recommended), adhering to oil specs (0W-20 WSS-M2C949-A), and allowing post-drive cooldown greatly enhance longevity.
Top issues include HPFP cam lobe wear (pre-mid-2021), GPF clogging from short trips, turbo actuator calibration drift, and minor valve cover oil seepage. These are documented in Ford TSBs and are manageable with proper maintenance.
The RFM powers the Fiesta (Mk8, 2018–present), Puma (2019–present), and Focus (Mk4, 2018–present) in 1.5L EcoBoost variants. All are transverse-mounted applications in Ford’s global B- and C-platform vehicles, compliant with Euro 6d emissions.
Aftermarket ECU tuning is common on the RFM 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 Fiesta 1.5L, expect ~6.9 L/100km (city) and ~5.0 L/100km (highway), or ~47 mpg UK combined. Real-world mixed driving typically returns 42–50 mpg (UK), depending on driving style and GPF regeneration cycles.
Yes. The RFM is an interference engine. Timing chain failure—though rare due to front-mounted design—could cause piston-to-valve contact. Ford specifies the chain as lifetime, but severe oil neglect may compromise it.
Ford mandates 0W-20 synthetic oil meeting WSS-M2C949-A specification. This low-viscosity oil ensures GPF compatibility and proper chain lubrication. Do not substitute with older 5W-30 or non-approved oils.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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