2009 FORD F-150, 4.6L SUPER CREW. PULLED INTO DRIVEWAY AND STOPPED TO ALLOW PASSENGERS TO DISEMBARK JUST OUTSIDE OF OPENED GARAGE DOOR. ONCE PASSENGERS ENTERED HOUSE THROUGH DOOR AT FRONT OF GARAGE, I REMOVED MY FOOT FROM THE BRAKE AND PRESSED ON ACCELERATOR TO PULL IN. VEHICLE SUDDENLY SURGED FORWARD AND ENGINE BEGAN TO REV VERY HIGH. IMMEDIATELY PULLED FOOT OFF ACCELERATOR PEDAL AND PRESSED HARD ON BRAKES. VEHICLE CONTINUED TO SURGE FORWARD AND INCREASE RPMS. UNABLE TO STOP, VEHICLE SLAMMED INTO FRONT OF GARAGE WALL. AIRBAGS DID NOT DEPLOY, ENGINE ONLY STOPPED HIGH REVS AND SLOWLY RETURNED TO IDLE SHORTLY AFTER IMPACT. *TR