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Home >> Pontiac >> 2004 >> GTO Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls -- 5.7L -- (Introduction) >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1 >> Removal Procedure

Removal Procedure

NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: View Of HO2S Sensor - Bank 1, Sensor 1
    GM247432Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the HO2S electrical connector.
  3. Carefully back out the heated oxygen sensor (HO2S).
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