I HAVE A 2003 SATURN ION COUPE. WHEN I WOULD DRIVE FOR A LITTLE WHILE AND LET THE CAR WARM UP, THERE ARE INTERMITTENT OCCASIONS WHERE I WILL SLOW DOWN SUDDENLY, FOR EXAMPLE, THE CHANGING OF A STOP LIGHT, AND WHEN I EITHER COME TO THE STOP OR WHEN I ACCELERATE AGAIN, THE CAR WOULD IN ESSENCE STALL OUT AND TURN OFF. HOWEVER THE CAR WOULD START RIGHT BACK UP WHEN I PUT IT BACK IN PARK. IT HAPPENED ONCE, MAYBE TWICE B4 I HAD A CHANCE TO REALIZE IT WAS A SERIOUS PROBLEM. ON THE 12TH OF JANUARY IT STALLED AS I WAS MAKING A RIGHT HANG TURN AT AN INTERSECTION AND BECAUSE OF THIS, I LOST POWER STEERING AND HIT THE MEDIAN AND A ROCK BED ON THE MEDIAN. THERE HAS BEEN SUBSTANTIAL DAMAGE TO THE VEHICLE AND IT IS CURRENTLY STILL IN THE SHOP. I DO NOT KNOW AT THIS POINT IN TIME THE EXACT REASON FOR THE STALL. JUST THAT I HAVE DONE NOTHING BUT TAKE GOOD CARE OF THIS CAR AND SEE NO REASON FOR IT DO THIS. *NM