C7 and C9 Engines for Caterpillar Built Machines Caterpillar


CID 0164 FMI 11 Injector Actuation Pressure system fault

Usage:

511 511
产生此代码的情况:

发动机不能进行起动盘车,并且发动机控制模块 (ECM) 检测到下述情况:

  • 实际压力与期望压力之差高于 3 MPa (435 psi) 超过四秒。

  • 发动机机油温度高于 18 °C (64 °F)。

  • 冷态模式未处于活动状态。

必须满足以下情况之一:

  • 喷油作动压力控制阀的输出电流在 100% 超过两秒。

或者

  • 喷油作动压力控制阀的输出电流在 0% 超过两秒。

发动机起动盘车,并且 ECM 检测到下述情况:

  • 冷态模式未处于活动状态。

  • 喷油作动压力控制阀的电流在 100% 超过三秒。

注: 诊断编码指示出现了机械故障。 ECM和电子控制系统操作正确。

系统响应:

ECM 将会记录事件代码。 检查发动机指示灯不亮。 只在盘车起动发动机时该代码才为激活状态。

发动机功率可能偏低并且怠速运转不稳。 发动机可能在正常工作温度下起动困难,但发动机在冷机时可能容易起动。

注: 此故障可能只在工作温度下发生。 如果系统最近被维修过的话,喷油作动系统内可能有困气。 起动发动机,让发动机在1500 rpm下运转几分钟以便清除困气。

测试步骤 1. 进行以下的诊断步骤: 喷油作动压力 - 测试

结果:

  • 正常 - 停止

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