With the advent of battery-operated injection systems, the injection timing control function is assigned to electronically controlled injectors. The incoming fuel is cleaned in a JCB fuel filter . The fuel filter of the fuel system of diesel engines has a pressure reducing valve that regulates the working pressure in the system. In a unit injection system, the nozzle and injection pump are integrated into one module. Thus, fuel pressurization, atomization, fuel distribution, and injection timing are accomplished in just one component. An electronic unit injector system is installed directly into a cylinder head over every combustion chamber.
Diesel Truck Parts Damage Fuel and Water contamination . Diesel Engine Trouble Shooting Chart . All diesel engines are not made the same, but the information listed below is a generic cause and effect list of items to check for when diagnosing diesel engine trouble.