E 350 1 Ton Van V10-6.8L VIN S (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.