TL*THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. WHILE WAITING TO TURN AT A STOP SIGN THE ENGINE INCREASED IN RPMS AND ACCELERATED FORWARD. THE FAILURE CAUSED THE CONTACT'S VEHICLE TO CRASH INTO THE VEHICLE IN FRONT OF HIM. BOTH VEHICLES WERE DAMAGED , AND A POLICE REPORT WAS TAKEN. THE VEHICLE WAS AT THE DEALER AWAITING A DIAGNOSTIC TO DETERMINE THE CAUSE OF FAILURE. THE CONTACT WAS WAITING FOR AN INSURANCE ESTIMATE AND REPORT. THE CURRENT AND FAILURE MILEAGES WERE 58,000.*AK