Grand Cherokee 2WD V8-5.2L VIN Y (1998)
Fuel Rail: Description and Operation
FUEL RAIL
Fig. 6 Fuel Rail
The fuel rail supplies the necessary fuel to each individual fuel injector and is mounted to the intake manifold (Fig. 6). The fuel pressure regulator
is no longer mounted to the fuel rail. It is now located on the fuel tank mounted fuel pump module.
Certain engines are equipped with a fuel pressure test port. Not all engines are equipped with this test port.
NOTE: The fuel rail is not repairable.
CAUTION: The left and right sections of the fuel rail are connected with a flexible connecting hose. Do not attempt to separate the rail halves at
this connecting hose. Due to the design of this connecting hose, it does not use any clamps. Never attempt to install a clamping device of any kind
to the hose. When removing the fuel rail assembly for any reason, be careful not to bend or kink the connecting hose.
