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P401 code

Home » P401 code

Simple Steps to Fixing the P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient

Last Updated on: 05/24/2021 by JamesL Davis
P401_CODE

The diagnostic trouble code P0401 means that Exhaust Gas Recirculation (EGR) Flow Insufficient. Here we’ll discuss its symptoms, causes. Also, you’ll learn how to properly diagnose and repair it.

Categories Trouble Codes Tags car, exhaust gas recirculation, fix, how to, P401 code, trouble code Leave a comment

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