C4.4 and C6.6 Engines for Caterpillar Built Machines Caterpillar


E1045 Low Intake Manifold Pressure

Usage:

AP-555E A5D
产生此代码的情况:

电子控制模块 (ECM)检测到进气歧管空气压力过低。

系统响应:

控制面板显示屏会出现一条警告。

记录该代码。

E1045-1

控制面板显示屏会出现一条警告。

E1045-2

发动机功率可能偏低。

此事件代码将检测低于触发点的进气歧管压力,该触发点由 ECM 软件定义。

测试步骤 1.

  1. 检查电子维修工具上是否存在激活的诊断代码或记录的诊断代码。 在继续进行本程序之前,诊断并排除所有代码。

  1. 检查进排气系统有无阻塞和/或漏气。 请参阅系统操作,测试和调整。

  1. 检查涡轮增压器的故障。 请参阅系统操作、测试与调整, "涡轮增压器 - 检查"。 如果 C6.6 发动机上的废气旁通阀执行器有故障,则更换废气旁通阀执行器。 如果 C4.4 发动机上的废气旁通阀执行器有故障,则更换涡轮增压器。 如果涡轮增压器发生故障,请将其更换。 请参阅拆解和组装。

结果:

  • 正常 - 停止

Caterpillar Information System:

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