一辆五菱宏光汽车行驶中突然动力不足的故障诊断探究

Exploration of the Fault Diagnosis of Sudden Power Loss of a Wuling Hongguang Automobile

一辆五菱宏光汽车,在一上坡路段行驶中,突然发动机突然动力不足,并伴有耸车现象,该故障原因是点火线圈损坏,更换新的点火线圈后,该故障现象消失,该故障的诊断过程中一直都是采用人工经验诊断方法,没有用到故障诊断仪和其他现代诊断设备,建议在维修车辆时,尽量利用现代故障仪器和设备,避免在维修过程中做大量无用功、浪费不必要的人力和财力。

A Wuling Hongguang car engine,when driving on an uphill section,suddenly lacks power,accompanied by a towering phenomenon.The cause of the failure is that the ignition coil is damaged.After replacing the new ignition coil,the failure phenomenon disappears.In the diagnosis process,the manual diagnosis method has always been used,and the fault diagnosis instrument and other modern diagnosis equipment are not used.It is recommended to use modern fault instruments and equipment as much as possible when repairing the vehicle to avoid doing a lot of useless work and waste of unnecessary human and fi nancial resources in the repair process.