i have a 00 pontiac sunfire auto 2.2 the other day i was driving it and my traction control came on out of now where then i stopped at a stop sign and it wanted to die then i pulled over shut it off and i restarted it and i drove it home on the way home my check engine light came on and it is not shifting smoothly at all. i let it sit for 4 hours then drove it to town and it drove fine for 15 mins then right as i pull in the driveway traction control came onagain and started shifting bad again.   WHAT DO I DO????

Optional Information:
2000 Pontiac sunfire 2.2

Already Tried:
nothing/p>