Audi TT Engine Stall While Driving

I Have A Sep 2008 Tts And I Had Problems With It Lately. Car Will Shut Down When I Am Idle And I Put First Gear (automatic Gearbox - So It...

Replaced Oil And Coolant On 5/13/08. Have Loss Of Power Around 4-5 Thousand Rpms. Car Stalls And Has Smoke From The Exhaust. Any Ideas...

I Have An Audi Tt, I Changed Rings, Valves, Timing Belt Etc... The Gas Tank Had Some Water In It, So I Drained It And Cleaned It All Out...