Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig 1: Engine Wiring Harness Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the heated oxygen sensor (HO2S) electrical connector (3) from the engine wiring harness connector (1).

Fig 2: View Of HO2S

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Excessive Force and Oxygen Sensor Caution .

Using the J 39194-B , remove the HO2S (1) from the catalytic converter. See Special Tools .