I WAS DRIVING MY WIFE 2006 TOYOTA 4RUNNER SR5 APPROXIMATELY 55-60 MILES PER HOURS ON 88 WEST IN CALIFORNIA AND THE SUV EXPERIENCE SUDDEN ACCELERATION PASS 70 MILES PER HOURS. I THEN STEP ON THE BRAKES AS HARD AS I COULD BUT THE SUV CONTINUES TO ACCELERATE FASTER THAN 70 MILES PER HOUR. WHILE MY FOOT IS ON THE BRAKE PEDAL AT ALL TIME BUT THE SUV COULD NOT SLOW DOWN. THE SUV THEN STRUCK THE REAR OF A PICK UP TRUCK IN FRONT. AFTER THE IMPACT, MY SUV CONTINUED APPROXIMATELY A HALF MILE AND THEN I WAS ABLE TO SLOW DOWN AND BRING TO A STOP IN THE RIGHT LANE. TOYOTA DOWN LOAD THE DATA ON THE SUV BLACK BOX ON 3/18/2014 AND SENT A LETTER TO ME AND MY WIFE THIS WEEK STATING THAT THE GAS PEDAL IS NORMAL. *TR