NHTSA Complaint #10107921 — 2000 MERCURY MERCURY TRUCK

2000 MERCURY MOUNTAINEER, IN DECEMBER IT BECAME VERY COLD AND I WAS HAVING TROUBLE STARTING MY CAR, IT WOULD DIE CONSTANTLY. I WOULD HAVE TO SIT IN THE CAR DEPRESSING THE GAS PEDAL IN ORDER TO KEEP IT RUNNING. I TOOK IT TO THE SHOP FOR A TUNE UP. I GOT IT BACK AND THE PROBLEMS CONTINUED. I RETURNED IT TO THE SHOP AND THEY RAN SOME TESTS AND FOUND A PART THEY THOUGHT WAS BAD AND REPLACED IT. ONCE AGAIN I GOT THE CAR BACK AND HAD THE SAME PROBLEMS. EACH TIME IT WOULD TRIGGER THE CHECK ENGINE LIGHT TO COME ON AND STAY ON. I TOOK IT BACK TO THE SHOP. THEY THEN DECIDED IT WAS THE O2 SENSORS IN BAY 1 AND BAY 2. THEY REPLACED THEM AND RETURNED MY CAR. AGAIN I HAD THE SAME PROBLEM. IT IS IN THE SHOP AGAIN. IT HAS BEEN IN THE SHOP MORE THAN IT HAS BEEN WITH ME. THEY STILL CAN NOT FIND THE PROBLEM. I HAVE SPENT A TON OF MONEY AND STILL HAVE THE SAME PROBLEM WITH MY CAR. I CAN SAY THAT I HAD ONE WARM DAY HERE IN ILLINOIS AND ON THAT DAY I HAD NO TROUBLE STARTING MY CAR. IT SEEMS AS THOUGH IT ONLY HAPPENS WHEN THE TEMPATURE DROPS BELOW 32 DEGREES. I ALSO HAVE NOTICED A LOUD NOISE THAT COMES FROM THE BACK END OF THE TRUCK WHEN I TURN IT OFF. THE DEALERSHIP TELLS ME THAT IT IS THE AUTO SHUT OFF FOR THE GAS TANK AND IS NORMAL BUT I HAVE NEVER HERD THIS ON ANY OTHER TRUCK LIKE MINE OR ANY OTHER MODEL. I WAS ALSO TOLD BY MY MECHANIC THAT HE HAS ANOTHER COUSOMER WITH THE SAME MODEL TRUCK AS MINE AND THAT THEY ARE HAVING THE SAME PROBLEM. I WOULD LIKE TO KNOW WHAT IS CAUSING MY CAR TO NOT RUN WHEN IT IS COLD BUT WILL RUN WHEN IT IS WARM!*AK