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General information
The 2.0 litre DOHC (Double OverHead Camshaft) engine was introduced in August 1989 to replace the 2.0 litre SOHC engine used previously in the Sierra range. The engine is of four-cylinder, in-line ...

Spark control system components (carburettor models) - removal and refitting
Spark delay and sustain valves 1 Disconnect the vacuum pipes at the valve and withdraw the valve. 2 When refitting a spark delay valve, the valve must be positioned with the black end (marked “CA ...

Throttle valve control motor - removal and refitting
Removal 1 Disconnect the battery negative lead. 2 Remove the air cleaner assembly. 3 Disconnect the wiring plugs from the motor and the throttle position sensor. 4 Remove the screws securing the ...