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案例1 奥迪A6L车在行驶过程中发动机会突然熄火故障现象一辆奥迪A6L(C7)轿车(VIN码为LFV5A24G8D*******),累计行驶里程约为3 500km,在行驶过程中发动机会无规律地突然熄火,熄火后发动机有时可以立即起动着机,有时需要等待几个小时才能起动着机。故障诊断 连接VAS6150B对该车进行检测,发动机控制单元内无任何故障代码储存。经过了解得知,该故障的出现没有任何规律,最近2个月出现了3次。检查发动机控制单元的供电和搭铁情况,正常;测量燃油系统压力,也在正常范围内;与行驶正常的同型车辆互换燃油泵
Case 1 Audi A6L car in the process of running the engine will suddenly turn off Fault phenomenon An Audi A6L (C7) sedan (VIN code LFV5A24G8D *******), the cumulative mileage of about 3 500km, while driving the engine Suddenly turn off the fire without law, the engine can sometimes start the machine immediately after the flameout, and sometimes need to wait a few hours to start the machine. Troubleshooting Connect the VAS6150B to detect the car without any error code stored in the engine control unit. After understanding that the failure of the emergence of no law, appeared in the last 2 months 3 times. Check the engine control unit power and ground conditions, normal; measuring fuel system pressure, also within the normal range; with the same type of vehicles driving the same interchangeable fuel pump