Thank you Mike, so I need to get the car flashed at the dealer with the original tune in order to start fresh with a new predator as well as a new tune.

Went to the web did my down loads and data view went well. Cleared a code that was thrown, went well.
I know that a tune was put on my 6.1 by previous owner many moons ago. I now am about to replace the motor
and desire the ability to utilize a predator so I received mine days ago.

Why am I not ...