Chrysler RAM TRUCK 2500 1994 Service Manual page 961

14 - 20 FUEL SYSTEM
FUEL SHUT-OFF
FUEL HEATER SOLENOID RELAY
Fig. 15 Fuel Shutdown Solenoid Relay—Diesel
FUEL DRAIN MANIFOLD
Some fuel is continually vented from the fuel injec­
tion pump to cool the pump and the fuel injectors.
During injection, a small amount of fuel flows past
the injector nozzle and is not injected into the com­
bustion chamber. This fuel drains into the fuel drain
manifold (Fig. 16). Fuel i n the drain manifold is then
routed back to the fuel filter/water separator.
Fig. 16 Fuel Drain Manifold—Typical
For removal and installation procedures, refer to
the Diesel Engine—Component Removal/Installation
section of this group.
POWERTRAIN CONTROL MODULE
Refer to the Diesel Engine sections of this group for
information.
DIESEL FUEL SYSTEM OPERATION
Refer to this section (Fuel Delivery—Diesel Engine)
for components not operated by the powertrain con­
trol module (PCM). Refer to the Diesel
Engine—Component Description/System Operation
section for components operated by the PCM.