2006 Ford Taurus Stalling with AC and cruise on

New O2 sensor, trottle position sensor, new fuel filter, 100K full tune up, new air filter.
What occurs is after the engine heats up, in city traffic or more then 100 miles on the highway with the cruise set and AC on the car will stall out. You can shut the car off, take the fuel cap off, and then the car will restart and for the next 20-45 miles it will continue to occur. However after the car sits overnight and cools the engine light will go off, and the car will be fine, until we are in stop and start traffic or long trips on the highway.
Any ideas on what this would be?