FixVault

Removal Procedure

    Fig 1: Identifying Engine Wiring Harness Electrical Connector
    GM1858010Courtesy of GENERAL MOTORS COMPANY
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Disconnect the engine wiring harness electrical connector (2) from the heated oxygen sensor (HO2S) electrical connector (3).
  3. Remove the HO2S electrical connector retainer from the engine wiring harness clip (1).
  4. Fig 2: Identifying Heated Oxygen Sensors & Exhaust Manifold
    GM1858130Courtesy of GENERAL MOTORS COMPANY
  5. Remove the HO2S (1) from the exhaust manifold.