Installation Procedure

Install the heated oxygen sensor (1) to the catalytic converter and tighten to 42 N.m (31 lb ft), use the CH-6129 installer.

Fig 1: Heated Oxygen Sensor
Courtesy of GENERAL MOTORS COMPANY

CAUTION: Refer to Fastener Caution .

NOTE: Harness retention is important for proper clearance. Ensure that any harness retainers that were removed have been reinstalled or replaced.
Clip in the heated oxygen sensor wiring harness clip to the turbocharger wastegate actuator vacuum control solenoid valve splash shield bracket.
Connect the heated oxygen sensor electrical connector.
Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
Perform fuel trim reset using a scan tool.