gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6231 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6229
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2

Heated Oxygen Sensor Replacement - Bank 2 Sensor 2

Removal Procedure

Notice:  Refer to Heated Oxygen and Oxygen Sensor Notice.

1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the connector position assurance (CPA) retainer.
3. Disconnect the engine wiring harness electrical connector (2) from the HO2S pigtail electrical connector (1).
4. Remove the HO2S pigtail electrical connector clip from the engine wiring harness clip (3).

5. Remove the HO2S (3).

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6231 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6229