Heated Oxygen Sensor (HO2S), Replacing

Heated oxygen sensors (HO2S), replacing

Special tools:
999 5543 SOCKET NV-22 HO2S 999 5543 Socket NV-22 HO2S

Heated oxygen sensors (HO2S), removing

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




Unhook the cable for the heated oxygen sensor (HO2S) from the clip in the heat deflector plate for the turbocharger (TC).
Raise the car.

Remove:
- the lower protective panel
- the clamps for the probe cable from the bracket on the SIPS member and gearbox.
Disconnect the heated oxygen sensor (HO2S) connectors.
Remove the heated oxygen sensors (HO2S). Use tool 999 5543 SOCKET NV-22 HO2S 999 5543 Socket NV-22 HO2S.

Installing heated oxygen sensors (HO2S)




Install the heated oxygen sensors (HO2S). Use tool 999 5543 SOCKET NV-22 HO2S 999 5543 Socket NV-22 HO2S. Tighten to 45 Nm.
Connect the connectors for the heated oxygen sensor (HO2S).

Install:
- the clamps for the probe cable
- the lower protective panel
- the cable harness for the heated oxygen sensor (HO2S) in the clips.

Erase Diagnostic Trouble Codes (DTCs).

Reset trim.