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 Disconnect the battery negative lead.
3 Unclip the wiring and disconnect the sensor wiring plug (see illustration).
17.3 Heated exhaust gas oxygen (HEGO) sensor - 1.4 CFI engine
A Sealing ring
B HEGO sensor
C Sensor shield
4 Remove the sensor heat shield, then unscrew the sensor from the exhaust downpipe, and carefully remove it complete with sealing ring.
Warning: Do not touch the tip of the HEGO sensor.
Refitting
5 Refitting is a reversal of removal, bearing in
mind the following points.
6 Clean the sensor threads, and take care not to touch the tip of the sensor during the refitting procedure.
7 Use a new sensor sealing ring.
8 Tighten the sensor to the specified torque.
9 On completion, start the engine and check for leaks between the sensor and the exhaust downpipe.
See also:
Fuses, relays and circuit breakers - general information
Pre-1986 models
1 The fuses and most of the relays are
located in a plastic box attached to the
bulkhead on the driver’s side of the engine
compartment.
2 The fuses are numbered to identify the
...
AM/FM stereo/cassette
Volume/power control
Press the control to turn the audio
system on or off.
Turn control to raise or lower
volume.
If the volume is set above a certain level and the ignition is turned off,
...
Thermostat - removal and refitting
1 Disconnect the battery negative lead.
2 Drain the cooling system.
3 Proceed as follows according to model:
SOHC models
4 Disconnect the radiator top hose and
expansion tank hose from the thermo ...
