车型:E65,配置N62发动机。行驶里程:171299km。故障现象:发动机故障灯点亮,怠速时发动机抖动,尤其是挂入倒挡时,抖动更加明显,有要熄火的趋向。故障诊断:首先向客户了解了这部车的概况,其反映此车几个月前刚刚大修过发动机,维修完之后起初一切正常,但没过多久又出现抖动的症状,后来更换了八个点火线圈和火花塞,故障又基本消失。 Model: E65, equipped with N62 engine. Mileage: 171299km. Symptoms: Engine fault light, the engine idling jitter, especially when linked into the reverse gear, the jitter is more obvious, there is a tendency to turn off. Troubleshooting: First, to understand the customer’s profile of the car, which reflects the car just overhauled the engine a few months ago, after maintenance at first everything is normal, but not long before there are symptoms of jitter, and later replaced eight ignition Coil and spark plug, the fault disappeared.