SES Light. Got the Code... Now What? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-30-2008, 02:08 PM   #1
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Default SES Light. Got the Code... Now What?

My Bonny just started throwing this code:

DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

What are the troubleshooting steps I should do from here?
I want to get that damn SES light to go out and stay out!!

Thanks!
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Old 01-30-2008, 03:40 PM   #2
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i would suggest cleaning the egr. most of the time they will just get all carbon'd up and cause a code.
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