DT: WHILE DRIVING AND APPROACHING AN INTERSECTION THE TRUCK SPED UP ON ITS ON. MANAGED TO GET TRUCK BACK HOME WITHOUT INCIDENT. DROVE THE TRUCK FOR A FEW DAYS WITHOUT ANYTHING HAPPENING. WENT TO PULL INTO THE GARAGE AND HIT THE SIDE OF THE GARAGE. WHILE DRIVING IN A SHOPPING CENTER TRUCK SPED UP AGAIN AND WENT INTO A WOODEN FENCE AND INTO A PERSON'S YARD. TOOK VEHICLE TO DEALER AND HAD PROBLEM FIXED. DEALER FOUND IAC MOTOR OUT OF RANGE. BUT THE SAME THING RECURRED. *AK