WITH ENGINE RUNNING AND WHILE STOPPED AT INTERSECTION, BRAKE PEDAL IS RELEASED, THEN ACCELERATOR PEDAL IS PRESSED, VEHICLE BEGINS MOVING, ALL CHECK ENGINE LIGHTS TURN ON, CAR STALLS IN THE MIDDLE OF THE INTERSECTION (WITH ONCOMING TRAFFIC). THIS SITUATION HAS OCCURRED 3 TIMES AND MAY HAVE LEAD TO AT LEAST ONE FENDER BENDER WHERE THE VEHICLE IN QUESTION WAS HIT FROM BEHIND BECAUSE FOLLOWING CAR THOUGHT THAT MY CAR WAS ACCELERATING THROUGH THE INTERSECTION. AFTER STALLING, ALL 3 CHECK ENGINE LIGHTS MAY OR MAY NOT STAY ON. AFTER PUTTING CAR IN NEUTRAL AND RESTARTING ENGINE, CAR ACCELERATES ON RUNS NORMALLY UNTIL NEXT STALLING EVENT. SINCE JANUARY 2010, I HAVE BEEN TO THE TOYOTA DEALER SERVICE DEPARTMENT 4 TIMES. I HAVE HAD 2 GAS CAPS REPLACED, OXYGEN METER REPLACE, BREAK/ACCELERATOR PEDAL CHECKED, CHARCOAL CANISTER REPLACED, NEW BATTERY, AND SEVERAL OIL CHANGES. THE PROBLEM STILL PERSISTS. THIS UPCOMING WEEKEND THEY SAID THEY WILL CHANGE THE THROTTLE BODY ASSEMBLY. *TR