Fuel Pressure Regulator: Service and Repair

1. Disconnect the vacuum sensing hose.

Fuel Pressure Regulator And Hoses:

2. Put a suitable container under the FPR to catch any fuel that escapes.
3. Remove the No.1 EGR pipe.
4. Loosen the hose clamp and remove the fuel return hose from the FPR.
5. Loosen the lock nut between the FPR and the fuel rail.

Removing The Fuel Pressure Regulator (FPR):

6. Unscrew the FPR from the fuel rail.

INSTALLATION:

1. Fully loosen the lock nut on the FPR and install a new O-ring.
2. Insert the FPR into the fuel rail, giving attention to the proper positioning of the pressure regulator.
3. Torque the lock nut to 22 ft.lbs. (29 N-m).
4. Reconnect the fuel return line.
5. Using a new gasket, reinstall the No.1 EGR pipe.
6. Reconnect the vacuum sensing hose to the FPR.
7. Ensure that any gasoline that escaped is thoroughly cleaned from the engine.
8. Start the engine and check for fuel leaks.