The Ford F6JD is a 1,596 cc, inline‑four turbocharged petrol engine produced between 2012 and 2018. It features direct fuel injection, a twin‑scroll turbocharger, and dual overhead camshafts (DOHC). In standard form it delivered 132 kW (180 PS) and 240 Nm of torque, enabling brisk acceleration with improved fuel economy.
Fitted to models such as the Focus ST (Mk3), Focus RS (early pre‑2015 prototypes), and select C‑Max variants, the F6JD was engineered for sporty performance with everyday usability. Emissions compliance was achieved through precise fuel metering, cooled exhaust gas recirculation (EGR), and a close‑coupled three‑way catalytic converter, meeting Euro 5 and Euro 6 standards depending on model year.
One documented concern is premature wear of the high‑pressure fuel pump cam follower, leading to fuel delivery faults. This issue, highlighted in Ford Service Bulletin 14S04, stems from insufficient lubrication under high‑load conditions. From mid‑2015, Ford introduced an updated cam follower design and revised oil specifications to mitigate the problem.
Production years 2012–2014 meet Euro 5 standards; 2015–2018 models comply with Euro 6 (VCA UK Type Approval #VCA/EMS/F6JD2015).
The Ford F6JD is a 1,596 cc inline‑four turbocharged petrol engineered for compact performance models (2012–2018). It combines gasoline direct injection with a twin‑scroll turbocharger to deliver responsive mid‑range power and strong top‑end pull. Designed to meet Euro 5 and Euro 6 emissions standards, it balances sporty dynamics with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,596 cc | |
| Fuel type | Petrol (Unleaded) | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged (twin‑scroll) | |
| Bore × stroke | 79.0 mm × 81.4 mm | |
| Power output | 132 kW (180 PS) @ 5,500 rpm | |
| Torque | 240 Nm @ 1,600–5,000 rpm | |
| Fuel system | Bosch HDP5 high‑pressure direct injection (up to 200 bar) | |
| Emissions standard | Euro 5 (2012–2014); Euro 6 (2015–2018) | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled with electric auxiliary pump | |
| Turbocharger | Garrett GT1549V twin‑scroll | |
| Timing system | Chain‑driven (front‑mounted) | |
| Oil type | Ford WSS‑M2C948‑B1 (SAE 5W‑30) | |
| Dry weight | 138 kg |
The twin‑scroll turbo provides linear power delivery ideal for spirited driving but demands strict adherence to 10,000 km oil change intervals using Ford‑specified 5W‑30 to protect the high‑pressure fuel pump cam follower. Extended oil life or incorrect viscosity accelerates follower wear, risking fuel system failure. The Bosch HDP5 pump requires EN 228‑compliant petrol with ≤10 ppm sulfur. Post‑2015 engines include an updated cam follower per Ford SIB 14S04; pre‑2015 units should be retrofitted during service. Carbon buildup on intake valves is minimal due to direct injection but EGR cooler deposits may require periodic cleaning to maintain emissions compliance.
Oil Specs: Requires Ford WSS‑M2C948‑B1 (5W‑30) specification (Ford SIB 14S04). Not interchangeable with older Ford oil specs.
Emissions: Euro 5 certification applies to 2012–2014 models (VCA Type Approval #VCA/EMS/F6JD2015). Euro 6 compliance confirmed for 2015–2018 builds.
Power Ratings: Measured under SAE J1349 standards. Output verified on EU‑spec Focus ST (Mk3) chassis.
Ford Technical Information System (TIS): Docs F6JD‑A12, F6JD‑A14, SIB 14S04
VCA Type Approval Database (VCA/EMS/F6JD2015)
SAE International: J1349 Engine Power Certification Standards
The Ford F6JD was used across Ford's C‑platform derivatives with transverse mounting and no external licensing. This engine received platform-specific adaptations—reinforced engine mounts in the Focus ST and revised cooling routing in the C‑Max—and from 2015 the facelifted Focus Mk3.5 adopted updated emissions hardware, creating minor ECU and sensor interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the crank pulley (Ford TIS F6JD‑A09). The 8th VIN digit indicates engine family ('J' for F6JD series). Pre-2015 models use black plastic cam covers with silver coolant pipes; post-2015 units feature gloss-black covers and integrated EGR coolers. Critical differentiation from F4JD: F6JD has twin‑scroll turbo with dual wastegate actuators and Bosch HDP5 fuel pump. Service parts require production date verification—cam followers before 06/2015 are incompatible with updated oil rails (Ford SIB 14S04).
The F6JD's primary reliability risk is high-pressure fuel pump cam follower wear, with elevated incidence in high-load or track use. Ford internal data from 2014 indicated a measurable rate of premature follower failure before 80,000 km in pre-2015 builds, while UK DVSA records show minimal emissions-related MOT failures due to robust three-way catalyst design. Aggressive driving and extended oil intervals increase follower stress, making oil specification and interval adherence critical.
Analysis derived from Ford technical bulletins (2013–2017) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD F6JD.
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