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.

Fig 1: Removing connector position assurance (CPA) retainer

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.
Remove the HO2S sensor electrical connector from the camshaft cover.

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 from the exhaust manifold. See Special Tools .