G6 V6-3.5L (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Special Tools
J 39194-B Heated Oxygen Sensor Wrench
Removal Procedure
Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Service Precautions/Heated Oxygen Sensor Resistance Learn
Reset Caution).
Note: The heated oxygen sensor (HO2S) 1 may be difficult to remove when engine temperature is less than 48°C (120°F). Excessive force may
damage the threads in the exhaust manifold.
1. Disconnect the heated oxygen sensor (HO2S) 1 electrical connector.
2. Use the J 39194-B to remove the HO2S 1.
Installation Procedure