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:
Rear anti-roll bar (Saloon and Estate models) - removal and
refitting
Removal
1 Slacken the left-hand roadwheel bolts, raise
and support the rear of the car on stands (see
“Jacking and Vehicle Support”). Remove the
roadwheel.
2 Lever the shackles from the right and ...
General description
The independent front suspension is of the
MacPherson strut type, incorporating coil
springs and integral telescopic shock
absorbers. Lateral location of each strut
assembly is by a forged or pres ...
Door window - removal and refitting
Front door
1 Remove the door inner trim panel.
2 Where necessary for access, peel back the
waterproof plastic sheet from the door.
3 Remove the door mirror.
4 Remove the window channel extension
...