Help problems with my 2001 A4 1.8T

My Audi is having problems starting after I drive it for awhile and stop for about 10 mins then try to start it again. It turns over but will not start, after a few minutes it starts again and runs rough for about a mile then it is fine. It does not do this every day, but about every 3 to 4 days.

Please Help

See if there is anyone near you with a Vag-Com tool, they can plug it in and check for fault codes for you. If you are ever in Utah, I could take a look if you want. Could be Temperature sensors, that would be my first guess. Good luck with it man.

Thanks for you help I will try that