Removal Procedure

WARNING: This page is about a different variant/trim than selected.

NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.

NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.

Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Disconnect the heated oxygen sensor (HO2S) electrical connector.
Remove any wire harness retainers and note the wire harness routing for reassembly.

Fig 1: Removing HO2S

Courtesy of GENERAL MOTORS CORP.