VEHICLE ENGINE IDLES TOO HIGH WHEN VEHICLE IS MOVING (OK AFTER VEHICLE IS STOPPED FOR OVER 10 SECONDS). THIS MAKES STOPPING VEHICLE VERY DIFFICULT. HAVE TO THROW VEHICLE INTO NEUTRAL AND LET ENGINE RACE WHEN STOPPING. BRAKING DISTANCE GREATLY INCREASED, HAD MANY CLOSE CALLS, AND A MINOR CRASH WITH DAMAGE. DEALER ATTEMPTED TO CORRECT 3 TIMES AND BEEN TO 2 OTHER MECHANICS. PROBLEM STILL PERSISTS.*AK