Fuel Pressure Regulator: Service and Repair

REMOVAL PROCEDURE






CAUTION:
- To reduce the risk of fire and personal injury, it is necessary to relieve the fuel system pressure before servicing the fuel system components.
- After relieving the fuel system pressure, a small amount of fuel may be released when servicing fuel lines or connections. Reduce the chance of personal injury by covering the fuel line fitting with a shop towel before disconnecting the fittings. The towel will absorb any fuel that may leak out. When the disconnect is completed, place the towel in an approved container.

NOTE:
- Compressed air must never used to test or clean a fuel pressure regulator, as damage to the fuel pressure regulator may occur.
- To prevent damage to the fuel pressure regulator, do not immerse the pressure regulator in solvent.

1. Depressurize the fuel system. Refer to Fuel Pressure Relief Procedure.
2. Disconnect the negative battery cable.
3. Remove the fuel pump relay.




4. Disconnect the vacuum line form fuel pressure regulator.
5. Remove the fuel pressure regulator retaining screw.
6. Remove the fuel pressure regulator retaining bracket.




7. Remove the fuel pressure regulator from fuel rail.

INSTALLATION PROCEDURE




1. Insert the fuel pressure regulator into the fuel rail.
2. Install the fuel pressure regulator retaining bracket ant tighten with a screw.




3. Connect vacuum line onto the fuel pressure regulator.
4. Install the fuel pump relay.
5. Connect the negative battery cable.




6. Crank the engine until it starts. Cranking the engine may take longer than usual due to trapped air in the fuel line.