RAM 3500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2010)
Fuel Inlet Metering Valve: Description and Operation
Overflow Valve - Operation
OPERATION
When the fuel control actuator (FCA) is opened, the maximum amount of fuel is being delivered to the fuel injection pump. The cascade valve regulates
how much excess fuel is used for lubrication of the injection pump, and is also used to route excess fuel through the drain circuit and back into the fuel
tank.