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奥迪C7转速900至1000排气管共振声音很大 - 修车网

奥迪C7转速900至1000排气管共振声音很大

检查排气管胶垫是不是松动间隙大了,还有检查发动机变速箱支架间隙大了没有 还要清洗节气门,喷油嘴,检查火花塞。点火线圈,同时读取有没有故障