Fuel Pressure Regulator: Service and Repair

WARNING: Do not smoke during this repair. Keep open flames away from your work area. Be sure to relieve fuel pressure while engine is off.

RELIEVE FUEL PRESSURE
1. Disconnect the negative battery cable. Place a shop towel under the pressure regulator.
2. Remove the fuel tank filler cap.
3. Use a box end wrench on the 6mm service bolt at the top of the fuel rail, while holding the special banjo bolt with another wrench.

Fuel System Service Bolt:

4. Place a rag or shop towel over the 6mm service bolt and SLOWLY loosen the 6mm service bolt one complete turn.

REMOVAL

Fuel Pressure Regulator Removal:

1. Disconnect the vacuum hose and fuel return hose.
2. Remove the two 6mm retainer bolts.
3. Remove the fuel pressure regulator.

INSTALLATION
1. Replace O-ring. Lubricate the new O-ring with clean engine oil and position it in grooved opening on pressure regulator sealing surface.
2. Install the Fuel Pressure Regulator and torque pressure regulator mount bolts to 12 Nm (9 ft-lb).
3. Reconnect the vacuum hose and fuel return hose. Turn the ignition switch ON but do not attempt to start the engine. After the fuel pump runs for approximately two seconds, the fuel pressure rises. Repeat two or three times, then check for fuel leaks.