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在对SCR后处理系统的CAN通讯故障、传感器故障、不喷添蓝故障以及NO_x排放量超标故障进行系统分析的基础上,给出了相应的维修方法。
Based on the systematic analysis of CAN communication fault, sensor fault, blue fault and excessive NO_x emission of SCR after-treatment system, the corresponding maintenance methods are given.