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Home >> Chevrolet >> 2005 >> Malibu Maxx >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System - 2.2L (L61) - Introduction) >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement (Post-Catalyst) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    NOTE: Refer to Heated Oxygen Sensor (HO2S) Resistance Learn Reset Notice in Cautions and Notices.
    Fig 1: Locating HO2S (Position 2)
    GM889967Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Note the routing of the heated oxygen sensor (HO2S) electrical harness (2).
  3. Disconnect the HO2S electrical connector in the engine compartment (1).
    4. Fig 2: Locating HO2S Electrical Harness
    GM889722Courtesy of GENERAL MOTORS CORP.
  4. Using the J 39194 carefully remove the HO2S.
    5. NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.
  5. Lower the HO2S electrical harness away from the underbody (1).
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