Lucerne V6-3.9L (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Sensor 2
Heated Oxygen Sensor Replacement - Sensor 2
Removal Procedure
Caution: Refer to Heated Oxygen and Oxygen Sensor Caution (See: Service Precautions/Heated Oxygen and Oxygen Sensor Caution).
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the connector position assurance (CPA) retainer (1).
3. Disconnect the heated oxygen sensor (HO2S) electrical connector (3).
4. Remove the HO2S electrical connector clip from the heat shield.
5. Remove the HO2S from the catalytic converter.
