There are 6 owner-reported fuel system complaints for the 2002 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL*THE CONTACT OWNS A 2002 MERCURY MOUNTAINEER. WHILE ATTEMPTING TO PLACE FUEL IN THE VEHICLE, THE NOZZLE STOPPED AFTER THREE GALLONS AND GAS BEGAN SPILLING OUT. THE FUEL GAUGE INDICATED THAT THE GAS TANK WAS EMPTY. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY PERFORMED AN UNKNOWN REPAIR. HOWEVER, THE FAILURE CONTINUED. THE FAILURE MILEAGE WAS 60,000 AND CURRENT MILEAGE WAS 78,140. UPDATED 04-07-08 *BF THE CONSUMER STATED THE DOOR AJAR CHIME GOES OFF WHILE DRIVING AND THE AUTOMATIC DOOR LOCK DOES NOT LOCK FOR 5 MILES. UPDATED
MY WIFE WAS PULLING INTO A PARKING SPACE WHEN THE VEHICLE SURGED FORWARD RESULTING IN A CRASH WITH A METAL HAND RAIL AND TWO AIR CONDITIONING UNITS. NO DEFINITIVE CAUSE HAS BEEN ESTABLISHED EXCEPT. A WITNESS SAYS SHE HEARD AN ENGINE REV UP JUST PRIOR TO THE CRASH. *JB
THIS IS A 2002 MERCURY MOUNTAINEER WITH A V8 ENGINE. THE VEHICLE ACCELERATES ON ITS OWN WITH NO DRIVER INPUT FROM A STOP. IT LURCHES BOTH IN DRIVE AND IN REVERSE.
WHILE PARKING NOTICED A FUEL SMELL COMING INSIDE OF VEHICLE. CONSUMER BACKED OUT OF THE PARKING GARAGE, AND NOTICED THAT GASOLINE WAS LEAKING FROM UNDERNEATH VEHICLE. *AK
UPON PURCHASE, A RAW GAS ODOR WAS NOTICEABLE--RETURNED TO DEALER--NO PROBLEM FOUND; RETURNED AT 4000 MILES WITH SAME PROBLEM--REPLACED FUEL INJECTOR; THIRD TIME MAJOR FUEL LEAK FROM RIGHT SIDE FUEL RAIL AT UPPER SEAL ON CYL 3 & 4 O-RING REPLACED--DEALER HAD US CALL TOW SERVICE AND THE DEALER TOOK CARE OF REPAIRS UNDER WARRANTY--GREAT CONCERN ABOUT SAFETY DUE TO POSSIBLE OF A SERIOUS FIRE FROM FUEL LEAKAGE ONTO HOT ENGINE. *AK
I PURCHASED 2002 MERCURY MOUNTAINEER ON 08/31/01 AND IN LESS THAN A MONTH THE VEHICLE LEAKED FUEL. THE FIRST INCIDENT HAPPENED ON 09/26/01 WHILE THE VEHICLE WAS IDLING IN PARKING THE ENGINE STARTED LEAKING FUEL AND EMPTYED THE TANK IN ABOUT 2 MINUTES. THE VEHICLE TOWED IN FOR REPAIRS THAT DAY AND O-RINGS WERE REPLACED. THE SECOND INCIDENT HAPPENED ON 10/03/01 WHILE THE VEHICLE WAS BEING DRIVEN ON THE INTERSTATE AT 70 MPH, AND THIS TIME SMOKE BEGAN TO COME FROM UNDER THE HOOD. THE VEHICLE WAS TOWED AND REPAIRED ONE DAY LATER, AND THE REPAIRS MADE WERE TO REPLACE THE INJECTOR. THE THIRD INCIDENT HAPPENED ON 10/17/01 WHILE THE VEHICLE WAS AT AN INTERSECTION WAIT AT A SIGNAL LIGHT. THE SMELL OF FUEL CAME IN THERE THE A/C VENT AND SMOKE WAS COMING FROM UNDER THE HOOD. THE VEHICLE WAS TOWED IN FOR REPAIRS THAT DAY AND IS STILL IN FOR REPAIRS SINCE 10/17/01. I DO NOT FEEL SAFE DRIVING THIS VEHICLE AND HAVE MADE THAT KNOWN TO THE DEALERSHIP AND MANUFACTER. I HAVE REQUESTED A VEHICLE BUY BACK AND THE ONLY ANSWER I GET IS TO WAIT FOR MORE REPAIRS. I FEAR FOR MY LIFE BY DRIVING THIS VEHICLE AGAIN. THANK YOU VIRGIA RHYMES
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026