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:
Engine - reassembly
Note: Ensure that all necessary new oil seals
and gaskets have been obtained before
starting the reassembly procedure.
OHV engines
1 With everything clean, commence
reassembly by oiling the bores ...
Rear hub bearings - renewal
1 Raise and support the rear of the vehicle on
stands (see “Jacking and Vehicle Support”).
Remove the roadwheel and release the
handbrake.
2 On fuel-injected models and Van versions
undo the reta ...
Minor body damage - repair
Repair of minor scratches in
bodywork
If the scratch is very superficial, and does not
penetrate to the metal of the bodywork, repair is
very simple. Lightly rub the area of the scratch
with a pa ...
