Fault Codes:Caterpillar CAT320 $116F

Solution:

Let the engine idle and remove the load. The current workload may be too high, making it difficult to close the EGR valve. Check the relevant EGR valve diagnosis. Run the air system motor valve verification test to check the correct performance of the EGR valve.

Fault Description:

The engine exhaust gas recirculation valve does not respond to the command

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