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:
Oil filler cap cleaning - OHVand HCS engines (Every 6000 miles
or 6 months)
1 Simply pull the oil filler cap from the rocker
cover and, where applicable, disconnect the
hose(s) from the cap.
2 Inspect the filler cap, and if necessary clean
the cap using clean petrol to re ...
Heater controls - adjustment
1 On heaters with lever control, set both
control levers approximately 2.0 mm up from
their lowest setting. On heaters with rotary
controls set the controls just off the COLD
and CLOSED positions. ...
Specifications
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . Bosch mechanical continuous injection system
Application:
XR3i and XR3i Cabriolet m ...
