Well, I will give a few ideas to look at and you can go from there. A weak battery can cause this to happen. Not enough juice, so to speak, to run the motor. There are other possibilities as well. But it could be as simple as the battery. If the battery doesn't fix it, then I would go to the Relay Control Module next. The RCM as we refer to it, has some bad solder joints that have to be re-soldered, and there is a "how-to" on here to help you with that. This condition usually happens after the motor is warm/hot from driving. Once it cools down, the car will sometimes start and run again. Let us know what happens....