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Home >> Pontiac >> 2009 >> Torrent Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.4L - Introduction >> Repair Instructions >> Heated Oxygen Sensor Replacement - Sensor 1 >> Removal Procedure
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Removal Procedure

    Fig 1: Removing/Installing HO2S 1
    GM1087793Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the engine wiring harness electrical connector from the heated oxygen sensor (HO2S).
  3. Remove the HO2S from the exhaust manifold.
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