Fuel Pressure Regulator: Service and Repair

Fuel Pressure Regulator Location:

REMOVAL
1. Reduce the internal pressure of the fuel pipes and hoses by completing the following operations:

Electric Fuel Pump And Fuel Gauge Connectors:

a. Disconnect the fuel pump harness connector at the rear of the fuel tank.
b. Start and run the engine until it stalls, then turn the ignition switch to OFF.
c. Disconnect the battery negative terminal.
d. Connect the fuel pump harness connector.
2. Remove the fuel return line from the pressure regulator.
3. Unscrew the fuel pressure regulator from the fuel rail.

INSTALLATION

Fuel Pressure Regulator:

1. Screw the fuel pressure regulator into the fuel rail,

Fuel Pressure Regulator Positioning:

2. Position the pressure regulator as shown. Tighten the lock nut to 18 - 25 lb.ft (250 - 350 Kg.cm).
3. After replacement of the fuel rail and injectors, check for leaks with the system pressurized.