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:
Sunroof - removal, refitting and adjustment
Glass panel - removal and
refitting
1 Open the sunblind and remove the three
screws and clips shown (see illustration)
then slide the lower frame rearwards into the
roof.
39.1 Sunroof lower fr ...
Fuses and relays - location and renewal
Location
1 The main fuses and relays are located in a
box in the engine compartment on the righthand
side of the bulkhead. The circuits
protected are identified by symbols on the
underside of the ...
Maintenance - component location
Underbonnet view of a 1983 2.0 litre SOHC carburettor model (air cleaner
removed)
1 Brake fluid reservoir
2 Windscreen wiper motor
3 Battery
4 Ignition coil
5 Carburettor
6 Distributor
7 Fu ...