2001 sl1 won't start sometimes... PLEASE HELP ME!

[mander21]

I just bought my car about 2months ago (little over 30,000 miles on it). I've had this problem twice. I drove back on the highway from school which is about 40 minutes away. Everything is working great. Then I'll go out around town a little later... not too far. For example, today I drove about ten blocks away to the store. I come out after a half hour or so and my car won't start. After about 15 minutes or so it will start then when driving it home finally, it will die on me. Again, 15 minutes later it will start. The first time this happened to me, I left it for a day and then I didn't have any problems with it for a week. I drove it back up to school and it was fine. What could be wrong with it? Could it be my highway driving?... I tend to go about 75mph. My brother thought maybe I had an air bubble in the gas line cuz i filled it all the way after it was almost empty, but over the last week since that happened I've been sure to keep it filled and it still happened to me today, a week later. I'm not sure what it could be and I just bought it with a loan and I need the car to get to school. Can someone HELP me, PLEASE!?!

[SC-Xtc]

I suggest having it checked out.
$40 or so at like pepboys.