Sorry about your issue!. I installed mine (kept ecu) and only drove it long enough for the regen. Ill get a better feel for it going to work tomorrow. Honestly I dont think Ill notice much of a difference in feel when driving it. Im still in that good MPG novelty stage and driving like a grandma. Eventually I may drive a bit harder but then I wont Know the difference between the two as I switched before 600 miles.Update:
De-installed 7/29 and Stock re-installed
Incorrect VIN installed on ECM-Service Electronic Trailer Brake Controller Message appears and Truck dies 2 seconds after start. Very
Returning 7/30 Talking to GDE in am to see if they can get a replacement here Saturday with no additional core charge........
And then I am going to remove those idiotic air box tabs and replace with 4 mini C Clamps(stainless)............
I am however super happy to have the EGR off and soon to have a CCV catch can. I hope this makes the engine trouble free for many miles.