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Home >> Lincoln >> 2004 >> Town Car Protection Series >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Electronic Engine Controls >> Removal And Installation >> Heated Oxygen Sensor (HO2S) -Rear >> Removal And Installation

Removal And Installation

  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  2. Raise and support the vehicle. For additional information, refer to JACKING & HOISTING .
  3. Disconnect the heated oxygen sensor (HO2S) electrical connector.
    Fig 1: Disconnecting Heated Oxygen Sensor (HO2S) Electrical Connector
    G03248711Courtesy of FORD MOTOR CO.
  4. Using the special tool, remove the HO2S.
    Fig 2: Removing HO2S
    G03248712Courtesy of FORD MOTOR CO.
  5. To install, reverse the removal procedure.
    • Apply a light coat of lubricant to the threads of the heated oxygen sensors.
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