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一辆94款雪佛兰鲁米那(CHEVROLET LUMINA)乘用车,出现发动机抖动大,加速无力,排气管有轻微放炮声及故障灯亮的现象。因故障灯亮,所以用修车王故障诊断仪调取发动机的故障代码。显示的故障代码为P0341,故障诊断仪显示的故障内容为“曲轴位置传感器及凸轮轴位置传感器信号故障”。为排除历史故障代码的干扰,清除故障代码,重新起动发动机,再调取故障代码,依然为P0341。接着查看数据流,在“不平衡缸数”一栏显示为“1”,其他数据流数值正常,这说明该发动机的第1缸
A 94 CHEVROLET LUMINA passenger car, the engine jitter, acceleration weakness, the exhaust pipe has a slight blasting sound and fault lights bright phenomenon. Because of the fault light, so with the repair car fault diagnostic engine to retrieve the engine fault code. The fault code displayed is P0341. The fault displayed by the fault diagnostic equipment is “Crankshaft position sensor and camshaft position sensor signal fault”. In order to eliminate the interference of the historical fault code, clear the fault code, restart the engine, then call the fault code, still P0341. Then check the data flow in the “imbalance cylinder number” column shows “1”, the other data flow value is normal, indicating that the first cylinder of the engine