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I vaguely remember reading a post in here regarding tuners causing erroneous codes... Maybe return it to a stock tune and see if it stops throwing the code. Also, did you kill the KAM?? It may be retaining "old" information...
I have a 06' SD 6.0l. We have the AFE intake, MBRP 4" exhaust, and the Edge Attitude Platnium.
We are getting continued egr codes. Even at time triping the check engine light.
Need some help understanding why, or a fix.
Dean
I have a similar setup but with the Bully Dog.....same crap I get P0401 code everytime I go on a long trip 200+ miles of continuous driving, but just yesterday I got it after only 50 miles or so. I haven't tried cleaning the EGR yet but will in the next few weeks before my next big trip (3000 miles over two weeks). Bully Dog was no help, they said "yeah those engines have EGR problems"......oh yeah? no s#*t....how do I fix it!