NHTSA Complaint #10533052 — 2010 MERCURY MILAN

SHORTLY AFTER PURCHASE, VEHICLE WOULD 'STUMBLE' AT HIGHWAY SPEEDS (40-65). POWER WOULD RECOVER AND CONTINUE. PROBLEM SEEMED TO OCCUR MORE OFTEN IN HOT WEATHER AND SEEMED LESS FREQUENT IN COOLER (WINTER) WEATHER. DEALER COULD NOT DUPLICATE BUT PERFORMED RECALL 10B15C. PROBLEM WORSENED WITH LOSS OF POWER WITHOUT WARNING AT ANYWHERE BETWEEN 35 - 65MPH WITH 'WRENCH' APPEARING ON DISPLAY. SHUTTING CAR OFF AND RESTART AFTER A COUPLE/FEW MINUTES RETURNS POWER WITH NO ILLUMINATION OF WRENCH OR ENGINE SYMBOL. POWER LOSS NOW OCCURRING ON EACH TRIP AND HAS OCCURRED REPEATEDLY WITHIN SHORT TIME (MINUTES) OF FIRST FAILURE. IF ENGINE DIES REPEATEDLY, ENGINE SYMBOL ILLUMINATES AND CODES P2111 AND P0685 HAVE BEEN FOUND. ENGINE NOW DIES BOTH AT HIGHWAY SPEEDS AND AT IDLE. RESEARCHED WEB FOR CODES AND FOUND THAT THROTTLE BODY IS A LIKELY PROBLEM. CONTACTED DEALER(S) WHO STATED ANY REPAIRS WOULD BE AT CUSTOMER'S EXPENSE. *TR