Post the tune file.
Or, ask Cal if he can do a "log me in", and see what's really going on.
Unless you changed the tune, it didn't magically change on it's own.
Did you mess with the fuel system wiring?
Guys, it is alive! It appears that my MAP sensor was indeed kaput! I threw on my spare and the car didn’t even think about it.... it fired right up and is running great!!! Thanks to all that helped with their ideas and thoughts!