AT A STOP LIGHT, IN SLOW MOVING, STOP AND GO TRAFFIC, MY 2002 FORD EXPLORER ACCELERATED WHEN I APPLIED THE BRAKES (SPEED AT THE TIME I APPLIED BRAKES WAS UNDER 5 MILES PER HOUR). THE THROTTLE WAS OBVIOUSLY ENGAGED, A LOUD WHINING NOISE CAME FROM THE ENGINE. I PUT THE CAR IN PARK AND SHUT OFF THE ENGINE TO GET IT TO STOP MOVING. THIS VEHICLE VIRTUALLY ACCELERATED WHILE THE BRAKES WERE APPLIED TO THE FLOOR! I HIT THE CAR IN FRONT OF ME, WHO HIT THE CAR IN FRONT OF HER. ALL THREE CARS WERE DAMAGED AND ALL THREE DRIVERS HAVE BEEN TREATED FOR INJURIES. THE EXPLORER IS IN THE DEALERSHIP NOW BEING REPAIRED. I AM CONCERNED THAT A MECHANIC MAY NOT KNOW ENOUGH ABOUT THIS TO DIAGNOSIS THE PROBLEM CORRECTLY. THE VEHICLE IS NOT SAFE TO DRIVE BECAUSE OF THIS PROBLEM.*AK