Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Canyon and 2010 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Heated Oxygen Sensor 1

GM1771748

Courtesy of GENERAL MOTORS CORP.

Remove the connector position assurance (CPA) retainer.
Disconnect the engine wiring harness electrical connector (1) from the heated oxygen sensor (HO2S) electrical connector.

CAUTION: Refer to Excessive Force and Oxygen Sensor Caution .

Using the J 39194-B remove the HO2S (2) from the exhaust manifold.