F 250 4WD LD Pickup V8-5.4L SOHC VIN L (1997)
Fuel Pressure Test Port: Description and Operation
Typical Location
Purpose
There is a pressure test point with a Schrader fitting in the fuel rail, which is used for fuel pressure release and to measure the injector supply pressure for
service and diagnostic work.
NOTE:Before servicing or testing the fuel system, read CAUTION, WARNING, and HANDLING information.