Removal Procedure
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Handle the oxygen sensors carefully in order to prevent damage to the component. Keep the electrical connector and the exhaust inlet end free of contaminants. Do not use cleaning solvents on the sensor. Do not drop or mishandle the sensor.
NOTE:
Refer to Heated Oxygen Sensor Resistance Learn Reset Notice
.
IMPORTANT:
Remove the heated oxygen sensors (HO2S) with the engine temperature above 48°C (120°F). Otherwise the HO2S may be difficult to remove.
- Remove the air deflector. Refer to Front Air Deflector Replacement .
- Remove the connector position assurance (CPA) retainer.
- Disconnect the engine harness electrical connector (3) from the heated oxygen sensor (HO2S).
- Remove the HO2S clip (2) from the engine bracket.
- Remove the HO2S.