See also:

Heater controls - adjustment
1 On heaters with lever control, set both control levers approximately 2.0 mm up from their lowest setting. On heaters with rotary controls set the controls just off the COLD and CLOSED positions. ...

Spark plug renewal (Every 12 000 miles (20 000 km) or 12 months)
1 The correct functioning of the spark plugs is vital for the correct running and efficiency of the engine. It is essential that the plugs fitted are appropriate for the engine. 2 Make sure that t ...

Exhaust gas oxygen (HEGO) sensor (2.0 litre DOHC/1.6 & 1.8 litre (R6A type) CVH) - removal and refitting
Note: Do not touch the tip of the HEGO sensor as this will drastically shorten its service life. Note: A new sealing ring should be used on refitting. Removal 1 Ensure that the engine and the ex ...