See also:

Air Charge Temperature (ACT) sensor - removal and refitting
Removal 1 The ACT sensor is screwed into the CFI unit. 2 Disconnect the battery negative lead. 3 Remove the air cleaner assembly. 4 Disconnect the ACT sensor wiring plug (see illustration). 1 ...

Heater only system (if equipped)
Fan speed control Controls the volume of air circulated in the vehicle.  Temperature control knob Controls the temperature of the airflow inside the vehicle. On heater-only systems, t ...

Heated Exhaust Gas Oxygen (HEGO) sensor - removal and refitting
Note: A new sealing ring will be required on refitting. Removal 1 Apply the handbrake, then jack up the front of the vehicle and support it on axle stands (see “Jacking and Vehicle Support”). 2 ...