Engine Timing Does Not Match Programmed Timing
- 正时可能因爆震被推迟。
- 正时可能因转速运行图或负荷运行图的选择被推迟。
- 基准正时选择的输入可能不正确。
注: 如果故障现象只在某些工况下出现(高怠速、全负载和发动机工作温度等)，应在这些工况下测试发动机。 在其它状况对故障现象进行故障诊断和排除会给出容易产生误导的结果。
使用数字诊断工具(DDT)或卡特彼勒电子技师(ET)来查找是否出现了326-01 "爆震推迟正时"诊断代码。
请参阅故障诊断和排除, "MID 014 - CID 326 - FMI 01 爆震推迟正时"。
使用DDT或卡特彼勒ET的"维修/配置(Service/Configuration)"屏幕来确认编程设置的正时数值。 检查"第一理想正时"、"第二理想正时"和"理想正时"参数。 请参阅故障诊断和排除, "参数的编程设置"。
确认基准正时选择输入正确。 请参阅故障诊断和排除, "丙烷开关"。
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