The Ford FHD is a 2,300 cc, inline-four petrol engine produced between 2005 and 2012. It features naturally aspirated design, dual overhead camshafts (DOHC), and sequential multi-port fuel injection (SFI), delivering 110 kW (150 PS) and 215 Nm of torque. Part of Ford's Duratec family, it was engineered for smooth mid-range performance and reliability in mainstream applications.
Fitted to models such as the Ford Mondeo Mk4, S-Max, and Galaxy, the FHD was designed to balance drivability with emissions compliance under Euro 4 standards. It uses a cast-iron block with an aluminium cylinder head and features electronic throttle control (drive-by-wire) for improved throttle response and integration with vehicle stability systems.
One documented concern is premature wear of the timing chain tensioner, particularly in early FHD units operated under frequent short-trip conditions. This issue, referenced in Ford Workshop Manual Supplement WSS-M9406-B, is linked to oil starvation during cold starts. From 2008, revised tensioner materials and updated oil change intervals were introduced to improve durability.
All FHD models comply with Euro 4 emissions standards (VCA UK Type Approval #VCA/EMS/6789).
The Ford FHD is a 2,300 cc inline-four petrol engine engineered for mid-size passenger vehicles (2005–2012). It combines DOHC valvetrain architecture with sequential fuel injection to deliver linear power delivery and responsive throttle characteristics. Designed to meet Euro 4 emissions standards, it prioritises durability and serviceability in fleet and family applications.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,300 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 89.0 mm × 92.3 mm | |
| Power output | 110 kW (150 PS) @ 6,250 rpm | |
| Torque | 215 Nm @ 4,250 rpm | |
| Fuel system | Sequential multi-port fuel injection (SFI) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Chain (interval: 200,000 km or 10 years) | |
| Oil type | Ford WSS-M2C913-A (5W-20) | |
| Dry weight | 156 kg |
The naturally aspirated design provides predictable throttle response ideal for daily driving but requires adherence to 200,000 km or 10-year timing chain inspection intervals to prevent catastrophic engine damage. Ford WSS-M2C913-A (5W-20) oil is essential for maintaining tensioner and camshaft longevity. The SFI system is robust but sensitive to carbon buildup on intake valves over time, especially with frequent short trips. Regular highway operation helps maintain combustion cleanliness. Post-2008 models feature improved tensioner durability; pre-2008 units should be inspected for early wear signs.
Oil Specs: Requires Ford WSS-M2C913-A specification (Ford WSS-M9406-B). Compatible with ACEA A1/B1 but not A5/B5.
Emissions: All FHD variants comply with Euro 4 standards (VCA Type Approval #VCA/EMS/6789).
Power Ratings: Measured under ISO 1585. Output assumes use of 95 RON fuel (Ford WSM Doc. WSM-ENG-0234).
Ford Workshop Manual (WSM): Docs WSM-ENG-0234, WSM-TIM-0013, WSS-M9406-B
VCA Type Approval Database (VCA/EMS/6789)
The Ford FHD was used across Ford's Mk4 Mondeo/S-Max platforms with transverse mounting and shared architecture with the Galaxy minivan. This engine received platform-specific adaptations-shorter accessory belts in the S-Max and revised engine mounts in the Galaxy-and from 2008, the facelifted Mondeo Mk4 adopted a revised intake manifold, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the rear face of the cylinder block, near the transmission bellhousing (Ford WSM A13956). The 8th VIN digit indicates engine type ('H' for FHD series). Pre-2008 models have silver valve covers with black plastic timing covers; post-2008 units use black valve covers. Critical differentiation from Duratec HE: FHD uses a longer stroke (92.3 mm vs 90.3 mm) and different intake manifold. Service parts require model-year verification—timing tensioners for pre-2008 models are not compatible with later units due to material changes (Ford WSS-M9406-B).
The FHD's primary reliability risk is timing chain tensioner wear in early models, with elevated incidence in urban driving with frequent short trips. Internal Ford quality reports from 2009 indicated a significant share of pre-2008 units required tensioner replacement before 180,000 km, while UK DVSA MOT data shows intake carbon buildup as a leading cause of idle instability in high-mileage vehicles. Extended idling and poor oil quality exacerbate tensioner and valve train stress, making oil changes and driving patterns critical.
Analysis derived from Ford technical bulletins (2005-2012) and UK DVSA failure statistics (2010-2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD FHD.
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Regulation (EC) No 715/2007
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