See also:

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

Idle Speed Control Valve (ISCV) - removal, cleaning and refitting
Removal 1 Disconnect the battery negative lead. 2 Disconnect the valve wiring plug (see illustration). 12.2 Idle speed control valve - 1.6 EFI engine A Wiring plug B Securing bolts 3 Unscrew t ...

Ignition HT coil - testing, removal and refitting
Note: Refer to the precautions given in Section 1 before proceeding. All except models with DIS ignition system Testing 1 Accurate checking of the coil output requires the use of special test eq ...