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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice .
    Fig 1: Locating HO2S Electrical Connector, CPA Retainer, Engine Wiring Harness Electrical Connector & Clip
    GM1960377Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the connector position assurance (CPA) retainer (3).
  3. Disconnect the engine wiring harness electrical connector (2) from the HO2S electrical connector (1).
  4. Remove the HO2S clip from the engine wiring harness clip (4).
    5. Fig 2: View Of Exhaust Sensors
    GM1960379Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Excessive Force and Oxygen Sensor Notice .
  5. Remove the HO2S (2).
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