Fuel Injection System

Fuel is pumped from fuel tank, through a pre-filter and main fuel filter into suction chamber of injection pump. Camshaft on pump operates injection pump plungers, reverse-flow dampening valves, and pressure lines to fuel injection nozzles.

The Electronic Control Unit (ECU) regulates idle speed adjustment, Exhaust Gas Recirculation (EGR), recirculating air control and a system diagnosis.