CAR RUNS PERFECTLY AND AT HIGHWAY SPEEDS WILL RANDOMLY STALL. IF YOU CAN MANAGE TO NOT GET INTO AN ACCIDENT THE CAR WILL START RIGHT BACK UP AFTER YOU TURN OFF THE KEY AND RESTART. SOMETIMES EVERY COUPLE OF MILES, AND CAN GO SEVERAL MILES WITHOUT THE STALL. SEEMS TO ONLY HAPPEN AT CONSTANT SPEEDS. THIS IS A VERY DANGEROUS PROBLEM. DIAGNOSTIC CODES ARE P1230 AND P1261, BUT I THINK THESE ARE RESULTS OF THE SUDDEN STALL, AND NOT THE PROBLEM. *TR UPDATED 03/10/09. *LJ