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Diesel Engine Parts Diesel Engine Fuel Injector 4937065 Parameter:
1. Each fuel injector is a little different but they all have 15 main parts including the filter, guide ring, core spring, seat spring, seat, pole piece, stop, solenoid coil, solenoid body, core ring, core, spray tip housing, director and spray tip. The fuel flow is regulated by the ECM by raising a ball off its seat. This allows fuel flow through the seat orifice and then out through a fixed director plate with several holes. The director plate serves to direct the fuel spray pattern. This type of injector has 10 to 15 degree angle spray pattern. The fuel atomization of this type of injector is similar to the disc type injector. Disc and ball type injectors by design and less susceptible to clogging.
2. The fuel injector is an electronically controlled valve that is supplied with pressurized fuel by the fuel pump and when energized atomizes the fuel into a fine mist so that it can burn easily in the vehicle's engine.Although its a pretty simple mechanism, the injector is in fact one of the most complex parts of a car engine and is the product of a lot of experimentation over the years.
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