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Home >> Hummer >> 2006 >> H3 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.5L - Introduction (2 Of 2) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 2 >> Tools Required >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: View Of HO2S Electrical Connector
    GM1363915Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the heated oxygen sensor (HO2S) electrical connector (3) from the engine wiring harness connector (1).
    3. NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.
    Fig 2: View Of HO2S - Position 2
    GM1352010Courtesy of GENERAL MOTORS CORP.
  3. Using the J 39194-B  , remove the HO2S from the catalytic converter. See Special Tools .
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