Liberty, Wrangler, 1997-2005

Fuel Pressure Regulator

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Removal & Installation



2.8L Engine

Review the high pressure fuel system warning before beginning repair


WARNING
No sparks, open flames or smoking. Risk of poisoning from inhaling and swallowing fuel. Risk of injury to eyes and skin from contact with fuel. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing.

  1. Disconnect negative battery cable.
  2.  
  3. Remove fuel rail
  4.  
  5. Clamp fuel rail securely in vise with protective jaws.
    CAUTION
    Once removed, the solenoid must always be replaced. Counterhold and unscrew the fuel pressure solenoid.

  6.  

To install:

  1. Position the fuel rail into a soft jawed vise.
  2.  
  3. Screw the fuel pressure solenoid to the fuel rail until hand tight.
  4.  
  5. Tighten the fuel rail solenoid as follows :

    Tighten the nut to 44 ft. lbs. (60 Nm).
     
    Loosen the nut 90 degrees.
     
    Retighten the nut to 59 ft. lbs. (80 Nm).
     
    Install fuel rail
     

  6.  
  7. Connect negative battery cable.
  8.  
  9. Start engine, allow to warm, turn engine off and inspect for leaks.
  10.  

 
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