Mechanical damage can occur to the manual transmission right-side oil seal, which isn’t fitted tightly enough, after 4,000–10,000 kilometres.

With the necessary tools and our video guide you can reflash the unit at home. To eliminate this defect, the manufacturer updated the firmware for the control unit. This is especially noticeable when driving with frequent stops, for instance, in traffic jams.

Over several years of operation, your automatic transmission may alarm you with jerks when you start off.

See how to do this in our step-by-step tutorial on Ford Focus repair. To extend the working lifespan of the injectors you need to make sure that you use high quality fuel and to replace the filter in due time. The problem can be partially fixed with the help of ultrasonic cleaning at a garage. The fuel injectors of the Duratec 2.0 petrol engine can get clogged as early as after 30,000 kilometres.Consult the step-by-step Ford Focus repair instruction and you will easily handle this job yourself. In some cases you need to replace the valve. This can be got rid of by reflashing the engine control unit. The cause lies in a malfunctioning idle air control valve. Cold 1.6 engines of the DYB cars run irregularly.Fuel System – General Information – 2.3L EcoBoost (257kW/350PS) – MI4.Exhaust System – 2.3L EcoBoost (257kW/350PS) – MI4.Manual Transmission – 6-Speed Manual Transmission – MMT6.Electronic Engine Controls – 2.3L EcoBoost (257kW/350PS) – MI4.Evaporative Emissions – 2.3L EcoBoost (257kW/350PS) – MI4.Intake Air Distribution and Filtering – 2.3L EcoBoost (257kW/350PS) – MI4.Engine Emission Control – 2.3L EcoBoost (257kW/350PS) – MI4.Engine Ignition – 2.3L EcoBoost (257kW/350PS) – MI4.Starting System – 2.3L EcoBoost (257kW/350PS) – MI4.Accessory Drive – 2.3L EcoBoost (257kW/350PS) – MI4.Fuel Charging and Controls – Turbocharger – 2.3L EcoBoost (257kW/350PS) – MI4.

Fuel Charging and Controls – 2.3L EcoBoost (257kW/350PS) – MI4.

Engine Cooling – 2.3L EcoBoost (257kW/350PS) – MI4.

Steering Wheel and Column Electrical Components.

Anti-Lock Brake System (ABS) and Stability Control.

When replacement parts during repair work are needed, be sure to use OEM genuine parts. Please use this manual to ensure complete repair work to keep your vehicle in optimum condition. This manual includes the procedures for maintenance, disassembling, reassembling, inspection, and adjustment of components and diagnostics for guidance of experienced mechanics.

2015 ford focus repair manual pdf free