There are 4 owner-reported fuel system 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. WHENEVER THE CONTACT WOULD ATTEMPT TO SLOW DOWN THE VEHICLE, HE NOTICED THAT IT WOULD SUDDENLY SHUT OFF. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE FUEL PUMP NEEDED TO BE REPLACED. THE CURRENT AND FAILURE MILEAGES WERE 23,000. UPDATED 09/04/09.*JB
DT*: THE CONTACT STATED THERE WAS A STRONG SMELL OF GASOLINE FUMES IN THE VEHICLE. A NHTSA RECALL LETTER, #06E056000, REGARDING FUEL SYSTEM, GASOLINE WAS RECEIVED BY THE CONTACT. THE DEALER WAS ALERTED AND REFUSED TO PERFORM THE RECALL REMEDY. THE DEALERSHIP RECOMMENDED THAT THE MANUFACTURER SHOULD BE CONTACTED. THE VEHICLE WAS NOT INCLUDED IN THE RECALL DUE TO THE VIN. THE CONSUMER REQUESTED REIMBURSEMENT FOR LOSS OF GAS. UPDATED 09/05/06. *JB
CAR WOULD NOT IDLE AFTER STARTING. THANK GOD IT HAPPENED IN DRIVEWAY. TOWED TO DEALER, AND DEALER REPLACED IAC VALVE, AND CLEANED FUEL SYSTEM. CAR HAD 37974 MILES ON IT. PURCHASED USED ON 07/03/03, WAS CERTIFIED AS USED CAR, 33750 MILES. NOTICED INTERMITTENT TURN SIGNAL FLASHING WHEN PURCHASED. CHANGED BULBS, NO IMPROVEMENT. SHOULDN'T A SAFETY RECALL BE ISSUED INSTEAD OF A TSB ON THE IDLE PROBLEM? *AK
FOR ABOUT A MONTH, BEEN HAVING PROBLEMS WITH 2001 MERCURY MARQUIS. IT WOULD START, DIE, START DIE, ETC. THE PROBLEM BECAME WORST AND I TOOK IT FOR SERVICE. WAS TOLD THAT THE FUEL INJECTORS WERE DIRTY AND THAT THE INJECTOR MOTOR WAS NOT WORKING CORRECTLY. THAT THE FUEL INJECTOR SHOULD HAVE BEEN CLEANED AT 30,000 MILES. I SAID THAT IT WAS NOT LISTED IN MY SERVICE MANUAL. THE SERVICE MANAGER KNEW THAT BUT AGAIN STATED THAT IT SHOULD HAVE BEEN DONE AT 30,000 MILES. ABOUT 15 MINUES LATER ANOTEHR MERCURY MARQUIS CAME IN WITH THE SAME PROBLEM. THE NEXT DAY AT WORK I LEARNED THAT A FRIEND WAS HAVING THE SAME PROBLEM WITH HER MERCURY MARQUIS. SO DID FORD FORGET TO LIST FUEL INJECTOR CLEANING IN THE SERVICE MANUAL? DT
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 26, 2026