Fuel Pressure Regulator: Service and Repair

ON-VEHICLE INSPECTION

FUEL System PRESSURE

CAUTION:
When disconnecting the connection of the high pressure line, a large amount of gasoline will come out so observe the following.
(a) Put a container under the connection.
(b) Slowly loosen the connection.
(c) Disconnect the connection.
(d) Plug the connection with a rubber plug.

REMOVAL OF PRESSURE REGULATOR






1. DISCONNECT VACUUM SENSING HOSE
2. DISCONNECT FUEL HOSE
(a) Put a suitable container or shop towel under the pressure regulator.
(b) Disconnect the fuel hose from the pressure regulator.






3. DISCONNECT NO.2 FUEL PIPE FROM PRESSURE REGULATOR






4. REMOVE PRESSURE REGULATOR
Remove the lock nut, and remove the pressure regulator.

INSTALLATION OF PRESSURE REGULATOR

1. INSTALL PRESSURE REGULATOR
Install the pressure regulator and lock nut.
Torque the lock nut.
Torque: 350 - 550 kg-cm (26 - 39 ft-lb)


2. CONNECT NO.2 FUEL PIPE
Install a new gasket, pipe, another gasket and union bolt to the pressure regulator.
Torque the union bolt.
Torque: 250 - 350 kg-cm (19 - 25 ft-lb)

3. CONNECT FUEL HOSE

4. CONNECT VACUUM SENSING HOSE