Fuel Rail: Description and Operation

Fig. 18 Fuel Injector Rail - 4.7L V-8 Engine:

The fuel injector rail is used to mount the fuel injectors to the engine. It is mounted to the intake manifold (Fig. 18).

High pressure fuel from the fuel pump is routed to the fuel rail. The fuel rail then supplies the necessary fuel to each individual fuel injector.

A fuel pressure test port is located on the fuel rail (Fig. 18). A quick-connect fitting with a safety latch is used to attach the fuel line to the fuel rail.

The fuel rail is not repairable.