Operation CHARM: Car repair manuals for everyone.

Oxygen Sensor: Service and Repair

Replacement
Primary H02S:





1. Disconnect the left and/or right primary H02S connector, then remove the left and/or right primary H02S.
2. Install the led and/or right primary H02S in reverse order of removal.

Secondary HO2S:
1. More the from passenger's seat forward. Pull the carpet back to expose the secondary HO2S connector.





2. Disconnect the secondary HO2S connector.





3. Remove the wire harness cover, then remove the grommet.
4. Remove the heat shields.





5. Remove the secondary HO2S.
6. Install the secondary HO2S in reverse order of removal.