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sang ta na 3000 fa dong ji kong zhi dan yuan sun huai
Author(s): 
Pages: 46-48
Year: Issue:  9
Journal: Auto Maintenance

Keyword:  控制单元发动机转速节气门位置传感器加速踏板氧传感器电子节气门桑塔纳故障现象紧急状态温度传感器;
Abstract: <正>故障现象:一辆2006款桑塔纳3000轿车,搭载1.8LBKT发动机,行驶里程820000km。车主因行驶中EPC灯点亮,踩下加速踏板不能加速来站维修。故障诊断:该车总体技术状况较好,转速表指针指向1200r/min,EPC灯常亮报警,踩下加速踏板,发动机转速不对其作出响应,一看便知电子节气门处于紧急状态下运行。连接VAS5052诊断仪查询发动机控制单元J220的故障存储器,内存识别到了下列故障信息:18047P1639008节气门/踏板位置传感器/开关-C-电路不可靠信号,静态;17972P1564002节气门控制部件-J338-基本设置期间电压不足,静态;
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