0173-00 High Exhaust Gas Temperature Derate
产生此代码的情况:
该代码表明发动机已经减额，以防排气温度过高。
电子控制模块（ECM）通过监测下列参数计算排气温度：
- 大气压力传感器
- 进气歧管空气温度传感器
- 发动机速度/正时传感器
系统响应:
发动机减额量超过 4% 后就会记录该代码。 发动机只能减额到允许排气温度降至容许级别的程度。 检查发动机灯不会由于该事件代码点亮。
ECM 将使发动机减额。
测试步骤 1. 与操作员交流
注: 不需要进行发动机修理。
- 确定导致该诊断代码的状况。
预期结果:
发动机在重载和/或爬陡坡情况下运转。
结果:
- 正常 - 停止
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