EXHAUST SYSTEM HAS CORRODED, AND IS CAUSING FUMES TO ENTER VEHICLE WHILE DRIVING. DEALER NOTIFIED.*AK OXYGEN SENSOR FAILED TWICE AND WAS REPLACED. HEAD GASKET FAILED AND WAS REPLACED; ALSO THE INTERNAL LEAKS FROM HEAD GASKETS IN VEHICLE CORRODED FLEX PIP AND EXHAUSTING INTO VEHICLE. ENGINE FAILED AND WAS REPLACED. THE OUTER RIGHT AND LEFT TIE RODS FAILED AND WERE REPLACED. AIR FILTER FAILED AND WAS REPLACED. PCV VALVE FAILED AND WAS REPLACED. THE VEHICLE HAD CONTINUES EXHAUST LEAKS INTO THE VEHICLE, CAUSED SOME SERIOUS HEALTH PROBLEM TO THE DRIVER. *YH