Fuel Pressure Regulator: Service and Repair

Fuel System:

Fuel Rail Removal And Installation:

Fuel Pressure Regulator:

CAUTION: Fuel pressure must be relieved prior to opening the fuel system.

Remove or Disconnect:
1. Disconnect negative battery terminal
2. Remove fuel rail assembly

Disassemble
1. Remove fuel return pip nut. Use a backup wrench to prevent damage.
2. Remove fuel return tube retainer attaching screw and retainer.
3. Remove outlet tube assembly
4. Remove pressure regulator attaching screw
5. Remove pressure regulator from fuel rail
6. Remove regulator O-ring and discard

Assemble
1. Lubricate new pressure regulator O-ring with clean engine oil and install on regulator
2. Tighten pressure regulator attaching screw
Torque Value: 9.5 N-m (84 lb.in.)
3. Tighten pressure regulator retainer attaching screw
Torque Value: 5 N-m (44 lb.in.)
4. Install outlet tube to regulator nut using backup wrench.
Torque Value: 17.5 N-m (13 lb.ft.)

Install or Connect:
1. Install fuel rail assembly
2. Tighten filler cap
3. Connect negative battery cable

Inspect:
Turn ignition switch to "ON" position for two seconds, then turn to "OFF" for ten seconds. Again turn to "ON" position and check for fuel leaks.