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:
Front foglamps - removal and refitting
1 Disconnect the battery negative lead.
Models up to 1987
2 Remove the relevant front direction
indicator lamp unit.
3 Release the retaining catch on the inside
edge of the lamp, then withdraw th ...
Interior lamp bulbs - renewal
1 Disconnect the battery negative lead.
Courtesy lamp
2 Remove the courtesy lamp.
3 Unclip the bulb from the lamp. On models
fitted with an overhead console and map
reading lamps, the courtesy la ...
Oil pump - removal and refitting
Note: A suitable puller will be required to
remove the crankshaft pulley. A new
crankshaft pulley bolt, a new lower timing
chain cover gasket, and a new oil pump
gasket, must be used on refitting. ...
