Impala V6-3.9L (2007)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor 1 Replacement
Heated Oxygen Sensor 1 Replacement
Removal Procedure
Notice: Refer to Heated Oxygen and Oxygen Sensor Notice.
1. Remove the connector position assurance (CPA) retainer (3).
2. Disconnect the heater oxygen sensor (HO2S) electrical connector (2).
3. Remove the oxygen sensor electrical connector from the ignition coil bracket.
4. Remove the HO2S from the exhaust manifold.
Installation Procedure
