There are 9 owner-reported powertrain & transmission complaints for the 2001 Mercury Grand Marquisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2001 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE VEHICLE WOULD ROLL SLIGHTLY WHEN THE GEAR WAS PLACED INTO PARK. THE CONTACT ENGAGED THE EMERGENCY BRAKE PRIOR TO EXITING THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 168,914.
TRANSMISSION FAILURE, CAUSING STALLING.*AK
UNDERSIDE OF CAR COVERED WITH OIL. CONCRETE DRIVEWAY WITH MANY OIL SPOTS. PINON GEAR SEAL WAS LEAKING. REPLACED PINON SEAL.*AK
WHEN SHIFTING VEHICLE INTO REVERSE IT WOULD GO FORWARD A FEW FEET BEFORE GOING BACKWARDS. IF SHIFTING VEHICLE INTO NEUTRAL, IT WOULD GO FORWARD INSTEAD. DRIVER'S FOOT WAS NOT ON ACCELERATOR PEDAL. PROBLEM WAS INTERMITTENT. TAKEN VEHICLE TO DEALERSHIP.*AK DEALER PERFORMED TESTS WITH FORD SCAN TOOL AND THERE WERE NO PROBLEMS FOUND/CONCERN COULD NOT BE DUPLICATED. *TT
WHEN VEHICLE IS DRIVEN ON WET PAVEMENT REAR WHEELS HAVE NO TRACTION. PLEASE GIVE ANY FURTHER DETAILS.*AK
CONSUMER STATES THERE IS A PROBLEM WITH THE REAR TRACTION CONTROL, EVERY TIME THE PAVEMENT IS WET HE EXPERIENCES PROBLEMS AND HAS ALMOST BEEN IN 2 ACCIDENTS BECAUSE OF THIS PROBLEM.*JB
CONSUMER WAS TRAVELING ABOUT 29MPH ON A HIGHWAY AND TRANSMISSION ACTED LIKE IT WANTED TO DOWNSHIFT. SPEED WAS WITHHELD. MECHANIC TOLD CONSUMER THAT COMPUTER FOR TRANSMISSION NEEDED TO BE REPLACED.*AK
RIGHT AFTER IT RAINED AND THE HIGHWAY WAS WET I WAS DOING ABOUT 30 MPH AND PUT THE CAR IN PASSING GEAR TO PASS ANOTHER CAR, AND THE CAR WENT COMPLETELY OUT OF CONTROL.I LOST ALL TRACTION ON THE ROAD AND ALMOST WENT INTO A DITCH.THE VEHICLE HAS NO TRACTION ON WET PAVEMENTS.*AK
2001 GRAND MARQUIS HAS NO TRACTION ON WET PAVEMENTS FROM DEAD STOP. ON ALL 2002 GRAND MARQUIS THEY ADDED AS STANDARD EQUIPTMENT ALL-SPEED TRACTION CONTROL.FORD MOTOR CO. KNEW ABOUT THIS PROBLEM FOR YEARS.*AK
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