engine code

[metzer.hr]

I have a 2004 6.0, Banks4'' exhaust and run a EDGE Evolution Tuner.Very happy with this tuner. Last week thr tuner shot an engine code p0401 exhaust gas rec. flow insuff. AKA egr do I have to take this to my dealer or is this something I can do in my shop? Thanks in advance

 

[mark6403av]

I don't know the history on the truck. Years ago they had a recall for that. It would be worth it to check the VIN # for recalls. If it's had that, 9 out of 10 it's the EGR valve. Clean and recheck.

 

[Gumby]

You can clean the EGR on the side of the road if needed it will just be hot.