Operation Section
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1.2 Demands On Fuel Injection System
z In order to address the various demands that are imposed on diesel vehicles, the fuel injection system (including the
injection pump and nozzles) plays a significant role because it directly affects the performance of the engine and the
vehicle. Some of the demands are: higher injection pressure, optimized injection rate, higher precision of injection timing
control, and higher precision of injection quantity control.
< NOTE >
z For further information on higher injection pressure, optimized injection rate, higher precision of injection timing control,
and higher precision of injection quantity control, see the material at the end of this document.