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:
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1 Check the operation of all instruments and
electrical equipment.
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Ford VV carburettor manual choke unit - removal, checking and
refitting
Note: A new gasket will be required on
refitting.
Removal
1 Disconnect the battery negative lead.
2 Remove the air cleaner (Section 2).
3 Slacken the choke cable clamp bolt at the
choke lever, d ...
Engine oil and filter renewal (Every 6000 miles or 6 months)
1 Frequent oil and filter changes are the most
important preventative maintenance
procedures that can be undertaken by the DIY
owner. As engine oil ages, it becomes diluted
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