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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 2 >> 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.
    Fig 1: Locating CPA Retainer, Engine Wiring Harness Electrical Connector & HO2S Electrical Connector
    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 (5).
  3. Disconnect the HO2S electrical connector (7) from the engine wiring harness electrical connector (6).
  4. Fig 2: View Of Exhaust Sensors
    GM1960379Courtesy of GENERAL MOTORS CORP.
  5. Remove the HO2S (3).