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Home >> Isuzu >> 2004 >> Ascender S, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) - 4.2L >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 1 >> Removal Procedure

Removal Procedure

NOTE: Refer to Heated Oxygen Sensor (HO2S) Resistance Learn Reset Notice in Cautions and Notices.
NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.
    Fig 1: Locating Heated Oxygen Sensor Components
    GM730852Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the heated oxygen sensor (HO2S) electrical connector (1).
    2. NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.
  2. Remove the HO2S (2) using a J 39194-B  .
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