98 lumina engine stalls while driving

Last week I was driving at 35mph and the engine just died. Restarted without a problem, then did it again after 5 minutes, and then again. By this time I got to school so I was able to let it cool off for a few hours. On my way back home nothing happened and for a week everything was fine.

Then yesterday the whole thing happened once again. It felt like the engine missed a couple of times before stalling.

Both times when it happened, I was in some traffic and the engine temperature was slightly higher than normal, but not overheating.

I'm thinking fuel filter, spark plugs, ignition wires. However the check engine light never came on to signal a dead cylinder...

Any suggestions?! What should I check? What should I replace?
Thanks

why don't you let us all know what year your car is and what engine it has in it that would be sooooo helpful.

It is a 1998 Lumina sedan, 3.1L
Engine stalls when hotter than usual (i.e. heavy traffic)

Thanks

First you should get the car scaned for codes.But it is prob.either in the crank sensor or the trans.A scan of the computer will tell alot