故障现象一辆2004年7月出厂的行驶了48万km的原装丰田大霸王车(车型为ACR30L-MFSEK),出现发动机不能起动的故障。起动发动机时起动机空转并发出断续的“咔咔”金属磕碰声,类似起动机电磁离合器吸合不良的声音。故障诊断通过了解得知,该车经过长时间高速行驶,进入服务区将发动机熄火后,再起动时就出现了上述故障现象,于是就近找了一家修理厂维修,经过检查,认为起动机有 Fault phenomenon A July 2004 factory shipped 480000 km of the original Toyota King King car (model ACR30L-MFSEK), the engine can not start the fault. Start the engine when the starter idle and intermittent issued “Kaka ” metal bump sound, similar to starter electromagnetic clutch pull bad sound. Fault diagnosis through understanding that the car after a long period of high-speed, into the service area will be the engine flameout, the restart occurred when the above symptoms, so nearby to find a repair shop maintenance, after inspection, that the starter