Mazda 6 Stalling After Warm Up

[discojohnny]

I have a 2003 Mazda 6 approx 114,000 mi. I runs fine and then after 15 minutes on freeway, it begins to stall. It is warm out here these days - 90-95 deg, but I do not know if that has an effect.

EGR?
Flash?

Anny suggestions? Thanks!