See also:

General information and precautions
General information The engine electrical system includes all charging, starting and ignition system components and the engine oil pressure sensor. Because of their engine-related functions, thes ...

Routine maintenance and servicing
Ford Sierra maintenance schedule The maintenance intervals in this manual are provided with the assumption that you will be carrying out the work yourself. These are the minimum maintenance interv ...

Ignition timing (OHC models) - adjustment
Note: During production the ignition timing is accurately set using a microwave process, and sealant is applied to the distributor clamp bolt. Because the electronic components require no maintena ...