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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1821 (Exhaust System - F-150 & Mark LT) >> Removal And Installation >> Exhaust Y-Pipe - Dual Catalytic Converter >> Removal >> 4.6L and 5.4L engines

4.6L and 5.4L engines

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the LH heated oxygen sensor (HO2S) electrical connector.


  1. Let the RH catalytic convert drop down slightly and then disconnect the RH HO2S electrical connector.


    NOTE: A special tool is available for use in removing the HO2S. An open-end wrench can be used for ease of removal.
    NOTE: If necessary, lubricate the HO2S with penetrating and lock lubricant to assist in removal.
  1. Remove the 2 HO2S.
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