Fuel Pressure Regulator: Service and Repair

PROCEDURE

Removal





1. Disconnect negative (-) terminal cable from battery.

CAUTION: Work must be started after 90 seconds from the time the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery.





2. Disconnect vacuum sensing hose from fuel pressure regulator.
3. Disconnect fuel return hose from fuel pressure regulator.

CAUTION: Put a shop rag under the pressure regulator.

4. Remove Fuel Pressure Regulator.





- Remove the 2 bolts. and pull out the pressure regulator.
- Remove the 0-ring from the pressure regulator.

Installation

1. Install fuel pressure regulator.





^ Apply a light coat of gasoline to a new 0-ring, and install it to the pressure regulator.





- Attach the pressure regulator to the delivery pipe.
- Check that the pressure regulator rotates smoothly.

NOTE: If it does not rotate smoothly, the 0-ring may be pinched. So remove the pressure regulator and repeat steps above to insure proper placement.





- Install the pressure regulator with the 2 bolts.

Torque: 8 Nm (69 in lb)





2. Connect fuel return hose to fuel pressure regulator. Be sure to insert the hose up to the stopper and clip it.
3. Connect vacuum sensing hose to fuel pressure regulator.
4. Connect negative (-) terminal cable to battery.
5. Check for fuel leaks.