前言发动机作为汽车的核心部件,其工作效率关系到整个汽车的工作运行效果,如何实现对发动机的自动控制,成为了汽车技术研发的重点。随着电子控制技术的快速发展,汽车发动机ECU应运而生,依赖ECU,汽车发动机实现了自动控制,有效解决了燃油喷射和点火这两个关键问题,对发动机的整体运行进行了综合优化,使发动机能够在允许的数值范围内保证输出动力的平顺性,提高汽车发动机的运 Foreword Engine as a core component of a car, its work efficiency is related to the whole car’s work operation effect, how to realize the automatic control of the engine has become the focus of automotive technology research and development. With the rapid development of electronic control technology, automotive engine ECU came into being, relying on ECU, auto engine to achieve automatic control, effectively solve the two key issues of fuel injection and ignition, the overall operation of the engine is optimized, so that Engine to be able to ensure that the output power within the allowable smoothness and improve the car engine shipped