Fuel Pressure Regulator: Service and Repair

REMOVAL

WARNING:
^ DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR ANY FUEL-RELATED COMPONENTS. HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
^ FUEL IN THE FUEL SYSTEM REMAINS UNDER HIGH PRESSURE EVEN WHEN THE ENGINE IS NOT RUNNING. BEFORE WORKING ON OR DISCONNECTING ANY OF THE FUEL LINES OR FUEL SYSTEM COMPONENTS, THE FUEL SYSTEM PRESSURE MUST BE RELIEVED. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

1. Relieve fuel pressure.
2. Remove the upper intake manifold.







3. Remove the fuel pressure regulator.
1 Disconnect the fuel pressure regulator vacuum hose.
2 Remove the snap ring.
3 Remove the fuel pressure regulator.







4. Remove and discard the fuel pressure regulator O-rings and the seal.

INSTALLATION
1. To install, reverse the removal procedure.

CAUTION: Use O-rings that are made of special fuel resistant material. Use of ordinary O-rings can cause the fuel system to leak. Do not reuse O-rings.

NOTE: Lubricate the fuel injector pockets with clean engine oil to aid installation.