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首页>>新闻中心>>公司新闻>>奥迪A6 1.8T加速故障,产生黑烟如何解决

奥迪A6 1.8T加速故障,产生黑烟如何解决

来源:http://www.lutongqixiu.com/ 日期:2019-12-26 发布人:admin
  奥迪A6 1.8T(配备AWL发动机和变速箱012)的续航里程约98,000公里,存在加速故障和黑烟。
  Audi A6 1.8T (equipped with awl engine and gearbox 012) has a range of about 98000 km, with acceleration fault and black smoke.
  采用VAS505l进行故障诊断,存储发动机控制系统的无故障代码。检查点火状态,正常;读取动态数据流量、空气流量数据和增压压力数据是否正常;测试燃料系统的压力。燃料压力大约是220千帕,很低。
  Vas505l is used for fault diagnosis and no fault code of engine control system is stored. Check whether the ignition status is normal; read the dynamic data flow, air flow data and boost pressure data; test the fuel system pressure. The fuel pressure is about 220 kPa, very low.
济南哪里修奥迪比较
  更换燃油泵后,燃油压力基本恢复正常,加速性能有所改善,但仍存在黑烟现象;经过检查火花塞,我发现火花塞已经很久没有更换了,所以我决定更换火花塞。然而,更换火花塞后,故障仍然没有消除。
  After replacing the fuel pump, the fuel pressure basically returned to normal, the acceleration performance was improved, but there was still black smoke; after checking the spark plug, I found that the spark plug had not been replaced for a long time, so I decided to replace the spark plug. However, after replacing the spark plug, the fault is still not eliminated.
  检查气缸压力,正常;使用VAS5051读取数据组032,发现氧传感器信号电压低,跳动缓慢。喷油时间修正量为+ 25%,达到极限。因此,怀疑是氧传感器的故障引起的。然而,更换了两个氧传感器后,故障仍然存在。,故障只能被认为是发动机控制单元损坏的结果。
  Check the cylinder pressure, normal; use vas5051 to read data group 032, and it is found that the signal voltage of oxygen sensor is low and the beat is slow. The injection time correction is + 25%, reaching the limit. Therefore, it is suspected that the fault of the oxygen sensor is the cause. However, after replacing both oxygen sensors, the fault still exists. Finally, the fault can only be considered as a result of damage to the engine control unit.
  故障排除后,更换发动机控制单元测试,故障排除。
  After troubleshooting, replace the engine control unit for testing and troubleshooting.
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