C11 and C13 Engines for Caterpillar Built Machines Caterpillar


Fuel Filter Is Restricted

Usage:

730 3F3
使用以下步骤排除燃油滤清器堵塞故障或表 1 中激活或记录的所有相关代码。

表 1
J1939 代码和说明  CDL 代码和描述  注释 
5584–15
发动机燃油滤清器退化:高 - 最低严重程度(1) 
E390 (1)
发动机燃油滤清器退化:高 - 最低严重程度(1) 
燃油细滤器阻力高。 
5584–16
发动机燃油滤清器退化:高 - 中等严重程度(2) 
E390 (2)
发动机燃油滤清器退化:高 - 中等严重程度(2) 
燃油细滤器阻力高。 
6716–15
发动机燃油滤清器(吸油侧)退化:高 - 最低严重程度(1) 
E1129 (1)
发动机燃油滤清器(吸油侧)退化:高 - 最低严重程度(1) 
燃油粗滤器阻力高。 
6716–16
发动机燃油滤清器(吸油侧)退化:高 - 中等严重程度(2) 
E1129 (2)
发动机燃油滤清器(吸油侧)退化:高 - 中等严重程度(2) 
燃油粗滤器阻力高。 

可能原因

  • 燃油滤清器堵塞

建议的措施

表 2
故障诊断与排除测试步骤    结果 

1. 检查有无相关代码

A. 在 Cat® 电子技师(ET)和电子控制模块(ECM)之间建立连接。

B. 故障诊断或清除任何诊断代码前,先从发动机 ECM 处下载"保修报告"。

C. 如果表 1 内的任一相关代码被记录,则进行这些代码的故障排除后再继续本步骤。
 

代码 

结果:相关代码未处于现行或记录状态。

转至测试步骤 2。

结果:相关代码为现行或记录状态。

修理:对相关代码进行故障排除。

如果故障未得到排除,则转至测试步骤 2。
 

2. 更换燃油滤清器

A. 确定哪个燃油滤清器堵塞。

B. 更换堵塞的燃油滤清器。

C. 起动发动机,让发动机运转至正常工作温度。
 

燃油滤清器 

结果:不存在与燃油滤清器相关的代码。

将机器返回进行维修。

结果:存在与燃油滤清器相关的代码。

修理:检测到传感器或导线故障。 参考故障排除, 传感器信号(模拟、有源)- 测试。
 

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