案例1江铃顺达车发动机加速无力、发动机故障灯常亮故障现象一辆2 0 11年产江铃顺达车,装备JX493ZLQ3发动机和德尔福DCM3.2电控系统,累计行驶里程约为8.5万km,出现发动机加速无力、发动机故障灯常亮的故障现象。故障诊断用故障检测仪检测,读得的故障代码如图1所示;读取发动机数据流,显示发动机冷却液温度、凸轮轴与曲轴同步状态、油轨压力均正常;记录并清除故障 Case 1 Jiangling Shunda car engine acceleration weakness, the engine fault light is always on Fault phenomenon A 2010 production JMC Suzuki, equipped with JX493ZLQ3 engine and Delphi DCM3.2 electronic control system, the cumulative mileage of about 85,000 km, There engine weakness, the engine fault light is always on the phenomenon of failure. Fault diagnosis detected by the fault detector, read the fault code shown in Figure 1; read the engine data stream, showing the engine coolant temperature, camshaft and crankshaft synchronization, rail pressure are normal; record and clear the fault