Fuel Rail: Description and Operation
FUEL RAILFuel Rail:
The fuel rail supplies the necessary fuel to each individual fuel injector and is mounted to the intake manifold.
The fuel pressure regulator is no longer mounted to the fuel rail on any engine. It is now located on the fuel tank mounted fuel pump module. Refer to Fuel Filter/Fuel Pressure Regulator in the Fuel Delivery System. The fuel rail is not repairable.