No, if you order a tune, they will address it. Even while on the road. Like my old @ss, I work 7 days a week at 2 jobs, and try to answer the emails I get, but sometimes I miss a few, or my inbox gets to full, I start deleting junk mail. I am sure from time to time, I delete the wrong file. Just keep after their @ss, they will answer your questions. It is worth the wait, as I have watched them from the time it was LET in Chicago until today, Eurocharged. They know the engines very well when it comes to tuning....