WHILE DRIVING CAR LOST POWER AND SMOKE BEGAN COMING OUT FROM UNDER HOOD. IMMEDIATELY AFTER THE CHECK ENGINE LIGHT CAME ON. CAR WAS PULLED TO SIDE OF INTERSTATE. IMMEDIATELY GOT OUT AND LOOKED UNDER HOOD TO SEE FLAMES AND SMOKE. CALLED 911 REPORT THE FIRE, DISPATCH SAID FIRE AND POLICE WOULD ARRIVE SOON. CHECKED UNDER THE HOOD FOR A SECOND TIME, THERE WAS CONSIDERABLE MORE FIRE AND SMOKE. PROCEEDED TO GATHER PURSE AND BAG FROM THE BACKSEAT. APPROXIMATELY 4 MINUTES HAD ELAPSED. BY THIS TIME THE CAR IS COMPLETELY ENGULFED IN FLAMES. I MOVED APPROXIMATELY 300 FEET AWAY IN FEAR THE CAR MAY EXPLODE. ANOTHER 4-5 MINUTES PASSED WHEN POLICE ARRIVED AND AN ADDITIONAL 6-7 MORE MINUTES FOR THE FIREFIGHTERS TO RESPOND. AS FOR PERSONAL SAFETY, DRIVING HAD APPROXIMATELY 4 MINUTES TO ESCAPE VEHICLE FROM CHECK ENGINE LIGHT APPEARING TO THE ENTIRE BE COMPLETELY ENCOMPASSED WITH FLAMES. DRIVER ESCAPED UNHARMED, BUT WAS INCREDIBLY SHAKEN BY THE SCARY EVENTS THAT UNFOLDED IN SUCH A RAPID PERIOD OF TIME. CAR WAS NOT ABLE TO BE SAVED.