I keep getting code P0401 I changed the EGR valve, catalytic converter,and 02 sensor can anyone give me any suggestions what I can try. Thank you in advance

I think it's like that I will take a look at it tomorrow afternoon. Thank you for your help

ok. the p0401 is an EGR insuff flow. it will be a plugged port(s) on your Accord and not converter or 02 sensor.wish you would have posted your question before replacing parts.when you see the black carbon build up/blockage,you probably won't believe it! if doing yourself,take pictures and take your time! i wish we could post pictures here,because i wanted to show EVERYONE how bad my F150 was clogged!!! if only folks knew or just google the code and read about what it means,instead of going out a buying a whole new EGR system and the problem still not fixed.when i saw how bad mine was clogged,i went into the FRED SANFORD MODE!!! post findings.