P0401 Exhaust gas Recirculation flow Insufficient Detected
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09-11-2014 | 01:54 AM
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P0401 Exhaust gas Recirculation flow Insufficient Detected
I have done a bunch of research on this.. So I have a 99' Accord V6 with a 151,000 miles on it. My check engine light came on with the P0401 Exhaust gas Recirculation flow Insufficient Detected. So at first I replaced the EGR valve before I found out about the Service Bulletin & many YouTube post about cleaning out the port in manafold. Well I did that twice and code keeps coming up.. any ideas???? Need Help
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