There is a schrader valve on the fuel rail. It ought to have a black cap on it that you twist off.
1997 ford f150 fuel pressure specs
CHECK THE FUEL PRESSURE, MAY NEED ELECTRIC FUEL PUMP REPLACED.
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.
fuel pressure sensor is located on the tank
where is the fuel pressure regulator located on my 2003 ford 5.4 f150 4x4 ???
find the schrader valve on the fuel rail depress the stem and it should release the pressure from the fuel system
check the fuel pump driver moduel located behind the spare tire
Fuel pump may have an intermitent problem check fuel system
check to see if the fuse is bad
With a fuel pressure gauge attached to the fuel rail.