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故障现象一辆金龙中巴车,装备玉柴4缸亚新科电控单体泵发动机,行驶一段时间后间隙性出现发动机转速波动,提速不畅的现象。客户还反映在出现上述故障时,若拔掉曲轴位置传感器导线侧连接器,故障现象便消失。故障诊断接车后首先连接ADS-H故障检测仪,调得的故障代码如图1所示。清除故障代码后试车,故障依旧。再次读取故障代码,发现只有故障代码0335和故障代码0336。
Fault phenomenon A dragon car, equipped with four-cylinder Yuchai ASIMCO electric monomer pump engine, driving a period of time there is intermittent engine speed fluctuations, speeding poor phenomenon. The customer is also reflected in the above fault, if unplug the crankshaft position sensor wire side connector, the fault disappears. Troubleshooting Connect the ADS-H Fault Detector first after the car is parked, and set the fault code as shown in Figure 1. Clear the fault code after the test, the fault still. Read the fault code again and find only fault code 0335 and fault code 0336.