Also.

When the FRPS is blown it will often NOT set a code because the electronics are fine.

Test to check:

The FRPS is attached to the rail and is small, black, and has an electrical connector on top of it with a vacuum line attached to the body of the FRPS itself.

Pull that vacuum line off the FRPS, DOES IT SMELL LIKE FUEL? Yes=FRPS is blown.
Pull the engine oil dipstick, DOES IT SMELL LIKE FUEL? Yes=FRPS is blown.

If the truck has issues starting and maintain running, shut the truck off, then UNPLUG THE FRPS. DOES IT RUN BETTER OR NORMAL WITH THE FRPS UNPLUGGED? YES=FRPS is blown.

If you do have a blown FRPS then replace it ASAP,like yesterday, and do an oil change ASAP as well. Gas will wash down the cylinder walls=VERY BAD & is horrible for engine bearings.

 

What year and model truck do you have?

EDIT: NEVERMIND 2004 F-250 5.4L

 

Ok here you go.

2004 F-250 5.4L 2 Valve.

Minimum Fuel Pressure 30psi.
Normal operating range 39-42psi.
Maximum Fuel Pressure 50psi.

 

Thanks. Good info there!

 

Not a problem. If you need anything else post up in here and Ill do what I can to help out.

Did you get the truck up and running now?

 

Yeah after they put a fuel pump in it, it is running great.

For now anyway. LoL

 

Can someone please explain this process?

 

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