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现代汽车发动机都采用电控燃油喷射系统,燃油供给系统压力的高低直接影响发动机喷油量的精确程度和发动机的工作性能,本文阐述汽车电控发动机燃油泵知识、控制原理、燃油压力检查、燃油压力不足故障诊断排除的方法与技巧。
The modern automobile engine adopts the electronically controlled fuel injection system. The pressure of the fuel supply system directly affects the accuracy of the engine fuel injection quantity and the engine performance. This paper describes the knowledge of the fuel pump, the principle of the fuel pump, the fuel pressure check, the fuel How to troubleshoot the problem of inadequate pressure troubleshooting.