my bully dog programmer caused my truck to act up severly after programing the first time. i used the premium tune. caused it to hesitate and jerk. shifts were very bad and occured at sparatic intervals. anyone have this issue. all i have on the truck performance wise is the exhaust, intake and spacer.

 

i quit. bully dog can have this piece of crap back. this programmer has been one big waste of time. premium tune caused problems as well as the standard tune. hope i didnt do any damage to my truck. im returning this thing. i want my 285 back.

 

i have the tuner and it is awesome..no problems good power and way better gas mileage...good luck