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Home >> Isuzu >> 2005 >> Ascender Limited, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 5.3L - Introduction >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 2 >> Removal Procedure

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.
    Fig 1: View Of HO2S Electrical Connector
    GM899722Courtesy of GENERAL MOTORS CORP.
  2. Remove the connector position assurance (CPA) retainer.
  3. Disconnect the heated oxygen sensor (HO2S) electrical connector.
    4. NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.
    Fig 2: Locating O2 Sensor
    GM715480Courtesy of GENERAL MOTORS CORP.
  4. Remove the HO2S (2).
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