Fuel Injection System - Diesel: Description

The Nissan Sentra fuel injection system consists of a combination injection pump and fuel distributor, 4 injection nozzles, a fuel tank, lines and hoses, and fuel filter assembly. The filter assembly contains a fuel filter, integral priming pump, and a water separator. The injectors use a needle-type valve at the end of each nozzle.

Integrated into the fuel system is a glow plug system to aid in cold start operation. The glow plug system consists of a glow plug in each cylinder, 2 relays, a dropping resistor, a glow plug control unit and various lights and switches.