The Ford AOBA is a 2,360 cc, inline — four naturally aspirated petrol engine produced between 2005 and 2011. It featured a SOHC 16 — valve configuration with sequential multi — point fuel injection (S — MPI), delivering 110 kW (150 PS) at 6,000 rpm and 215 Nm of torque at 4,000 rpm. Designed for mid — size applications, it offered smooth power delivery and strong mid — range response ideal for family vehicles.
Fitted primarily to the Ford Mondeo Mk4 (2007–2010) and Ford S — Max (200…
All AOBA engines comply with Euro 4 emissions standards .
The Ford AOBA is a 2,360 cc inline-four naturally aspirated petrol engine designed for mid-size vehicles (2005–2011). It combines SOHC valvetrain with sequential multi-point injection to deliver balanced performance and fuel efficiency. Designed to meet Euro 4 standards, it prioritizes smooth operation and low maintenance for family-oriented applications.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,360 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, SOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 89.0 mm × 95.0 mm | |
Power output | 110 kW (150 PS) @ 6,000 rpm | |
Torque | 215 Nm @ 4,000 rpm | |
Fuel system | Siemens Simos 7.6 S-MPI | |
Emissions standard | Euro 4 | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Rubber timing belt (interval: 120,000 km or 8 years) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 148 kg |
The Ford AOBA was used across Ford's C1 platform with transverse mounting and shared with Volvo in limited applications via component commonality. This engine received no major platform-specific adaptations and was phased out in 2011 with the introduction of the 2.5L Duratec Ti-VCT. All applications 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 AOBA is generally reliable for family driving when properly maintained. However, pre-2008 engines have a known risk of camshaft wear. Post-2008 revisions resolved this with improved heat treatment. Regular timing belt changes and use of Ford WSS-M2C171-A (10W-40) oil are essential for longevity. With proper care, these engines can exceed 200,000 km.
Key issues include camshaft wear in pre-2008 units, timing belt failure due to overdue service, idle instability from carbon buildup, and coolant leaks from the thermostat housing. These are documented in Ford service actions and technical bulletins, with camshaft revisions implemented from 2008 onward.
The AOBA was used in the Ford Mondeo Mk4 (2007–2010) and Ford S-Max (2006–2010), both equipped with the 2.4L 150 PS variant. It was not used in other Ford models or exported to North America. All applications are C1 platform vehicles with transverse engine layout.
The AOBA has limited tuning potential due to its SOHC 16-valve design and naturally aspirated layout. ECU remapping yields minimal gains. Performance upgrades are rare, though cold air intakes and performance exhausts may offer slight throttle response improvements. The engine is best suited to stock configuration for reliability.
In combined driving, expect 9.5–11.0 L/100km (26–29 mpg UK) in the Mondeo or S-Max. City driving may see 11.5–13.0 L/100km (22–24 mpg UK), while highway runs can achieve 8.0–9.0 L/100km (31–35 mpg UK). Real-world economy benefits from steady-speed operation and regular maintenance.
Yes. The AOBA is an interference engine. If the timing belt fails, the pistons will contact the open valves, causing severe internal damage. Adhering to the 120,000 km or 8-year replacement interval is critical to prevent costly engine repairs.
Ford specifies WSS-M2C171-A (10W-40) mineral-based oil. Change intervals should not exceed 120,000 km or 8 years, whichever comes first. Using correct oil helps protect the camshaft, especially in pre-2008 engines. Always use Ford-approved or equivalent ACEA A1/A5 oils.
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Official guidance on engine swaps and inspection implications.
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
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