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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (Electronic Engine Control System -- Gasoline Engines -- F250-F550 Super Duty) >> Removal And Installation >> Heated Oxygen Sensor (HO2S) >> Removal

Heated Oxygen Sensor (HO2S): Removal

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: The normal operating temperature of the exhaust system is very high. Never attempt to service any part of the system until it has cooled. Be especially careful when working around the three-way catalytic converter. The temperature of the three-way catalytic converter rises to a high level after only a few minutes of engine operation. Failure to follow these instructions may result in personal injury.
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING .
  2. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  3. Disconnect the heated oxygen sensor (HO2S) electrical connector.
  4. Using the special tool, remove the HO2S.
    • Apply penetrating lubricant to the HO2S to assist in removal.
      Fig 1: Removing/Installing Heated Oxygen Sensor (HO2S) Using Special Tool
      G03922527Courtesy of FORD MOTOR CO.
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