CTS RWD V8-6.2L SC (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Removal Procedure
Caution: Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution (See: Emission Control Systems/Evaporative
Emissions System/Service Precautions).
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Disconnect the heated oxygen sensor (HO2S) electrical connector.
3. Remove any wire harness retainers and note the wire harness routing for reassembly.
4. Carefully remove the HO2S (1).
Installation Procedure
