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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - 4.3L - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1 >> Removal Procedure

Removal Procedure

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  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the connector position assurance (CPA) retainer.
    NOTE: Refer to HEATED OXYGEN AND OXYGEN SENSOR NOTICE in Cautions and Notices.
  3. Disconnect the heated oxygen sensor (HO2S) electrical connector (1).
    Fig 1: View Of O2 Sensor Harness Routing
    GM664951Courtesy of GENERAL MOTORS CORP.
  4. Remove the bank 1 HO2S (1).
    Fig 2: Removing HO2S
    GM815044Courtesy of GENERAL MOTORS CORP.
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