XC90 AWD V8-4.4L VIN 85 B8444S (2005)
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)
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.
Removing the lower engine cover
Raise the vehicle: Jacking points, body See: Maintenance/Vehicle Lifting/Service and Repair.
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