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Home >> Cadillac >> 2012 >> CTS V, 4D Sedan, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 6.2L - Repair Instructions >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 >> Removal Procedure

Removal Procedure

    Fig 1: Identifying HO2S (Bank 1 Sensor 2)
    GM1413526Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution .

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the heated oxygen sensor (HO2S) electrical connector. Note the harness routing and retainers for reassembly.
  3. Remove the HO2S (1).
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