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一辆奥迪A6 2.8 L轿车,因发动机无法起动而到我厂维修。据驾驶人反应,前几天出差回来,该车还很正常,但休息3天后,发现发动机暖机后,怠速稍有不稳,行驶加速感觉不顺畅,后来就出现将发动机熄火后再也无法起动的故障。首先试车验证故障现象。发现发动机能够在起动机带动下正常运转,发动机偶尔有着机的征兆。接着本着由简到繁的原则对该车进行了检查。首先检查点
An Audi A6 2.8 L sedan, because the engine can not start to my factory maintenance. According to the driver reaction, a few days ago on a business trip back, the car is still normal, but after rest for 3 days, found that the engine warm-up, the idling slightly unstable, driving acceleration does not feel smooth, then there will be no longer after the engine flameout Starting fault. First test to verify the fault phenomenon. Found that the engine can be driven by the starter normal operation, the engine occasionally has a sign of the machine. Followed by the simple to the principle of the car was checked. Check the point first