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XC90 AWD V8-4.4L VIN 85 B8444S (2005)

Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Service and Repair > Adapter Wiring Switch, Replacing > Page 4116

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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S), Replacing

Heated oxygen sensor (HO2S), replacing

Replacement of heated oxygen sensors, cylinder 2, 4, 6 and 8 (bank 2)

Special tools:

999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S 

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the
essential information in the illustrations is always correct.

Removal

Removing the lower engine cover

Raise the vehicle: Jacking points, body See: Maintenance/Vehicle Lifting/Service and Repair.

Remove:

-

the 6 screws

-

the lower engine cover.

Removing the rear heated oxygen sensor

Unplug the connector of the rear heated oxygen sensor. Remove the oxygen sensor using 999 5543 SOCKET NV-22 HO2S See: Tools and
Equipment/999 5543 Socket NV-22 HO2S.

Removing intermediate pipes

Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Service and Repair > Adapter Wiring Switch, Replacing > Page 4116

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