Fuel Pressure Regulator: Service and Repair

Description:

REMOVAL PROCEDURE
1. Relieve fuel system pressure.
2. Remove the negative battery cable.
3. Remove the air cleaner outlet resonator.
4. Remove the fuel rail bracket (1).
5. Remove the pressure regulator bracket attaching screw (3).

IMPORTANT: If the fuel pressure regulator is to be reinstalled, inspect filter screen for contamination. If contaminated, remove and discard.

6. Remove the pressure regulator assembly (2) and O-ring (4) (discard O-ring).

INSTALLATION PROCEDURE
1. Lubricate new pressure regulator O-ring (4) with clean engine oil, then install on pressure regulator (2).
2. Install the pressure regulator bracket attaching screw (3) coated with appropriate thread-locking material. Tighten the pressure regulator bracket attaching screw to 3.5 Nm (31 lb in).
3. Install the fuel rail bracket (1).
3.1. Tighten the fuel rail bracket nut (4) to 10 Nm (89 lbs in).
3.2. Tighten the fuel rail bracket nut (3) to 25 Nm (18 lbs ft).
3.3. Tighten the fuel rail bracket bolt (2) to 25 Nm (18 lbs ft).
4. Install the air cleaner outlet resonator.
5. Connect the negative battery cable.
6. Inspect for leaks through the following steps:

^ Turn the ignition switch to the ON position for 2 seconds.
^ Turn the ignition switch to the OFF position for 10 seconds.
^ Turn the ignition switch to the ON position.
^ Check for fuel leaks.