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车型:2013年奥迪A6L(C7),配置2.5 L发动机。故障现象:车主反映有时坐在车内感觉车身轻微抖动。故障诊断:我们怀疑引起此故障的原因可能有以下几点:(1)点火方面存在故障;(2)燃油供给系统存在故障;(3)进气系统有漏气现象;(4)汽缸压力小于规定值。首先观察发动机有轻微抖动,用诊
Models: 2013 Audi A6L (C7) with 2.5L engine. Symptom: The owner reflects the body sometimes feel slightly jitters sitting in the car. Troubleshooting: We suspect the cause of this failure may be the following: (1) there is a fault ignition; (2) the fuel supply system is faulty; (3) the intake system leaks; (4) the cylinder pressure is less than Prescribed value. First observe the engine with a slight jitter, with the diagnosis