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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 679 (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 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating HO2S (Position 2)
    GM889967Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the wheel drive shaft heat shield. Refer to Wheel Drive Shaft Heat Shield Replacement .
  3. Note the routing of the heated oxygen sensor (HO2S) electrical harness.
  4. Disconnect the HO2S electrical connector (2), in the engine compartment.
    5. Fig 2: Locating HO2S Electrical Harness
    GM889722Courtesy of GENERAL MOTORS CORP.
  5. Carefully bend the edge of the channel on the LH side of the exhaust heat shield outboard, just enough to release the HO2S electrical harness (1).
    6. NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice .
    NOTE: Refer to Excessive Force and Oxygen Sensor Notice .
  6. Using the J 39194  carefully remove the HO2S.
  7. Lower the HO2S electrical harness away from the underbody.
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