what can cause engine to run rough and stall after it warms up?

What is your question?

when i first start the car it runs great . after about 10 mins it starts to act like its getting to much gas or not enough gas or air and plus it stalls out .

What makes this problem better or worse?

it only runs bad after warns up

How long has your 2001 Ford Mustang had this problem?

for a month