See also:

Engine Coolant Temperature (ECT) sensor - removal and refitting
Removal 1 The ECT sensor is screwed into the inlet manifold. 2 Disconnect the battery negative lead. 3 Partially drain the cooling system as described in Chapter 1. 4 Disconnect the sensor wirin ...

Throttle position sensor - removal and refitting
Note: During this procedure ensure that the sensor wiper is not rotated beyond its normal operating arc. 2.0 litre SOHC models 1 Disconnect the battery negative lead. 2 Free the throttle position ...

Cylinder head and pistons - decarbonising
OHV engines 1 With the cylinder head removed (Section 4), the carbon deposits should be removed from the combustion spaces using a scraper and a wire brush fitted into an electric drill. Take care ...