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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1838 (Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor 2 Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing & Installing Heated Oxygen Sensor-2
    GM932526Courtesy of GENERAL MOTORS CORP.
    NOTE: The HO2S uses a permanently attached pigtail and connector. This pigtail should not be removed from the HO2S. Damage or removal of the pigtail or connector could affect proper operation of the sensor.
  1. Turn the ignition OFF.
    2. CAUTION: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.
  2. Raise the vehicle.
  3. Disconnect the HO2S-2 harness connector.
  4. Remove the HO2S-2 harness clip from the heat shield attachment.
  5. Use a liquid penetrate before removing the sensor.
    6. NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice .
  6. Remove the HO2S-2 using the J 39194-C  , or equivalent. See Special Tools .
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