It is located on the top of the fuel rail in the back by the firewall on the driver's side of the truck. It is held on by 3 alen screws which are upside down making it difficult to remove. The bolt that is located closest towards the front you must remove the injector plug that is right beneath it in order to remove that bolt.
Its on the upper right hand side of the motor right above the coil
where is the fuel pressure regulator located on my 2003 ford 5.4 f150 4x4 ???
Yes ( fordparts.com lists fuel injectors , pressure regulator etc. )
1997 ford f150 fuel pressure specs
I believe it is built into the altenator.
Fuel Pressure Regulator is located on the fuel rail.Fuel Pressure Regulator1. Disconnect the negative battery cable.2. Properly relieve the fuel system pressure.3. Remove the air cleaner outlet tube(s).4. Remove any necessary components to access the pressure regulator.5. Disconnect the vacuum hose from the pressure regulator.6. Remove the pressure regulator attaching screws.7. Remove the pressure regulator from the fuel rail.To Install8. Discard the O-rings on the pressure regulator and replace them with new ones.9. Lubricate the O-rings with clean engine oil.10. Install the regulator into the fuel rail and tighten the retaining screws.11. Connect the vacuum hose to the regulator.12. Install any components removed to access the regulator.13. Install the air cleaner outlet tube(s).14. Connect the negative battery cable.
Fuel Pressure Regulator is located on the fuel rail.Fuel Pressure Regulator1. Disconnect the negative battery cable.2. Properly relieve the fuel system pressure.3. Remove the air cleaner outlet tube(s).4. Remove any necessary components to access the pressure regulator.5. Disconnect the vacuum hose from the pressure regulator.6. Remove the pressure regulator attaching screws.7. Remove the pressure regulator from the fuel rail.To Install8. Discard the O-rings on the pressure regulator and replace them with new ones.9. Lubricate the O-rings with clean engine oil.10. Install the regulator into the fuel rail and tighten the retaining screws.11. Connect the vacuum hose to the regulator.12. Install any components removed to access the regulator.13. Install the air cleaner outlet tube(s).14. Connect the negative battery cable.
It is attached to the end of the fuel rail. On 2001 f150 it is located at the back of the engine. Good luck getting at it.
30-40 lbs with vacum attached to the pressure regulator. (driver's side engine compartment) and 40-50 lbs with vacum removed.
Fuel pressure on a2003 f-150 4.2l
Fuel pressure on a 2002 Ford F150 4.2 V6 should be around 40 PSI. When pressure drops too low, fuel is not vaporized properly.
With a fuel pressure gauge connected to the fuel rail.