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    Ford Pick-ups and Broncos 1987-1996 Repair Guide

    Fuel Pressure Regulator

    Print

    REMOVAL & INSTALLATION



    Except Lightning Engine

    See Figures 1, 2, 3, 4 and 5



    Click image to see an enlarged view

    Fig. Fig. 1: Fuel pressure regulator-5.0L and 5.8L engines



    Click image to see an enlarged view

    Fig. Fig. 2: Remove the Allen screws-note the fuel line fitting blocking access to the screw



    Click image to see an enlarged view

    Fig. Fig. 3: Once the screws are removed, disengage the fuel pressure regulator from the fuel rail



    Click image to see an enlarged view

    Fig. Fig. 4: Check the condition of the O-ring and replace if it is deteriorated or cracked



    Click image to see an enlarged view

    Fig. Fig. 5: Discard the gasket and replace it with a new one

    1. Relieve the fuel system pressure.
    2.  


    CAUTION
    Never smoke when working around gasoline! Avoid all sources of sparks or ignition. Gasoline vapors are EXTREMELY volatile!

    1. Disconnect the vacuum line at the regulator.
    2.  
    3. Remove the 3 Allen screws from the regulator housing.
    4.  

    In some cases the factory bent the fuel line over one of the 3 Allen screws making it difficult to remove with an Allen wrench. A pair of pliers may have to be used to break the screw loose so it can be unthreaded by hand.

    1. Remove the regulator.
    2.  
    3. Inspect the regulator O-ring for signs of deterioration or damage. Discard the gasket.
    4.  

    To install:
    1. Lubricate the O-ring with clean engine oil ONLY!
    2.  
    3. Make sure that the mounting surfaces are clean.
    4.  
    5. Using a new gasket, install the regulator. Tighten the retaining screws to 40 inch lbs. (4.5 Nm).
    6.  
    7. Connect the vacuum line.
    8.  

    Lightning Engine
    1. Relieve the fuel system pressure.
    2.  


    CAUTION
    Never smoke when working around gasoline! Avoid all sources of sparks or ignition. Gasoline vapors are EXTREMELY volatile!

    1. Remove the fuel supply manifold.
    2.  
    3. Remove the 3 Allen screws from the regulator housing.
    4.  
    5. Remove the regulator.
    6.  
    7. Inspect the regulator O-ring for signs of deterioration or damage. Discard the gasket.
    8.  
    9. Lubricate the O-ring with clean engine oil ONLY!
    10.  
    11. Make sure that the mounting surfaces are clean.
    12.  
    13. Using a new gasket, install the regulator. Tighten the retaining screws to 40 inch lbs. (4.5 Nm).
    14.  
    15. Install the fuel supply manifold.
    16.  

     
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