F 450 4WD Super Duty V8-6.0L DSL Turbo VIN P (2003)
Fuel Pressure Regulator: Service and Repair
REMOVAL
1. Relieve the fuel pressure.
2. Disconnect the fuel return tube from the regulator cover.
3. Remove the screws and the fuel pressure regulator cover.
WARNING: CLEAN ALL FUEL RESIDUE FROM THE ENGINE COMPARTMENT. FAILURE TO FOLLOW THESE
INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
4. Remove and discard the fuel pressure regulator cover O-ring seal.
5. Remove the restrictor, spring and poppet valve.
6. Clean the fuel pressure regulator bore in the fuel filter housing.
