Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
40–25K
225–50K
750–75K
575–100K
3100–150K
0150K+
21 reports with mileage · 32 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Engine And Engine Cooling. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Suspension. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes, Hydraulic. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
5 crash reports3 fire reports4 injury reports
What owners actually said
53 reports
73,674 miles · Oct 28, 2004
Engine And Engine Cooling
WHILE DRIVING AT 80 MPH TEMPERATURE GAUGE REACH ED ITS PEAK , FOLLOWED BY SMOKE COMING FROM THE ENGINE. VEHICLE WAS TOWED TO A GARAGE, AND THEY REPLACED THE PLASTIC INTAKE MANIFOLD WITH A METAL ONE BECAUSE IT HAD BLOWN. WHEN THE VEHICLE WAS RESTARTED AFTER PART WAS REPLACED COOLANT WAS COMING OUT OF THE EXHAUST SYSTEM. VEHICLE…
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WHILE DRIVING AT 80 MPH TEMPERATURE GAUGE REACH ED ITS PEAK , FOLLOWED BY SMOKE COMING FROM THE ENGINE. VEHICLE WAS TOWED TO A GARAGE, AND THEY REPLACED THE PLASTIC INTAKE MANIFOLD WITH A METAL ONE BECAUSE IT HAD BLOWN. WHEN THE VEHICLE WAS RESTARTED AFTER PART WAS REPLACED COOLANT WAS COMING OUT OF THE EXHAUST SYSTEM. VEHICLE WAS THEN FLAT BEDDED TO ANOTHER GARAGE, AND THEY REINSTALLED THE CYLINDER HEAD, REPAIRED THE TIMING CHAIN, AND REPLACED THE EXHAUST.*AK
NHTSA ODI #10098963
20,000 miles · Oct 11, 2004
Fuel System, Gasoline
WHILE DRIVING, CAR BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR SUBSTANTIALLY REDUCING THE ABILITY TO STOP AND THERBY ALMOST CAUSING AN ACCIDENT. UPON INVESTIGATION, FOUND BRAKE FLUID WAS SHOOTING OUT FROM UNDER THE CAR. *NM
NHTSA ODI #10093947
92,000 miles · Aug 17, 2004
Engine And Engine Cooling
WHILE DRIVING 30-40 MPH VEHICLE OVERHEATED AND LEAKED COOLANT. VEHICLE WAS TAKEN TO A REPAIR SHOP, AND MECHANIC DETERMINED THAT THE PROBLEM WAS CAUSED BY A CRACKED MANIFOLD. *AK
NHTSA ODI #10088021
Mileage unknown · Aug 3, 2004
Engine And Engine Cooling
COMPLAINT ABOUT ENGINE AND ENGINE COOLING SYSTEM. *MR THE CHECK ENGINE LIGHT HAD COME ON. THE MECHANIC FOUND THAT THE "PLASTIC" INTAKE MANIFOLD HAD A STRESS CRACK AND CAUSED LEAKAGE OF ANTIFREEZE INTO THE PLUGS WHICH CAUSED THE DAMAGE. *SC *JB
NHTSA ODI #10087459
Mileage unknown · Jul 19, 2004
Engine And Engine Cooling
FAILURE OF INTAKE MANIFOLD ON 1997 MERCURY GRAND MARQUIS. *MR THE INTAKE MAINIFOLD SPLIT OPEN. THE CONSUMER WAS TOLD THAT NOTHING COULD BE DONE, DUE TO THE UNAVAILABILITY OF PARTS. THERE WAS A SERVICE BULLETIN OUT FOR THIS VEHICLE BUT THE CONSUMER WAS TOLD THAT HIS VEHICLE WAS NOT COVERED. THE CONSUMER REQUESTED REIMBUR…
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FAILURE OF INTAKE MANIFOLD ON 1997 MERCURY GRAND MARQUIS. *MR THE INTAKE MAINIFOLD SPLIT OPEN. THE CONSUMER WAS TOLD THAT NOTHING COULD BE DONE, DUE TO THE UNAVAILABILITY OF PARTS. THERE WAS A SERVICE BULLETIN OUT FOR THIS VEHICLE BUT THE CONSUMER WAS TOLD THAT HIS VEHICLE WAS NOT COVERED. THE CONSUMER REQUESTED REIMBURSEMENT. *SC *JB
NHTSA ODI #10083355
113,100 miles · Jun 29, 2003
Engine And Engine Cooling
WHILE TRAVELING ABOUT 40 MPH IN TRAFFIC WITHOUT ANY WARNING, MY CHECK ENGINE LIGHT FLASHED ON IMMEDIATELY FOLLOWED BY THE HEAT GAUGE MAXING OUT AND A BUZZING NOISE BEGAN SOUNDING. WHAT APPEARED TO BE SMOKE WAS POURING OUT BETWEEN MY HOOD AND COWLING. I MANAGED TO STOP THE CAR AND LIFTED THE HOOD. ANTIFREEZE SMELL WAS STRONG, …
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WHILE TRAVELING ABOUT 40 MPH IN TRAFFIC WITHOUT ANY WARNING, MY CHECK ENGINE LIGHT FLASHED ON IMMEDIATELY FOLLOWED BY THE HEAT GAUGE MAXING OUT AND A BUZZING NOISE BEGAN SOUNDING. WHAT APPEARED TO BE SMOKE WAS POURING OUT BETWEEN MY HOOD AND COWLING. I MANAGED TO STOP THE CAR AND LIFTED THE HOOD. ANTIFREEZE SMELL WAS STRONG, WATER WAS SHOOTING INTO MY ALTERNATOR AND THE ENGINE WAS EXCESSIVELY HOT. I HAD THE CAR TOWED TO A RELIABLE GARAGE AND THEY DETERMINED THAT THE INTAKE MANIFOLD HAD SPLIT OPEN, BUT THE "SMOKE" WAS ACTUALLY STEAM AND NO FIRE HAD ENSUED. LATER THAT DAY, THE MECHANIC CALLED AND SAID A NEW MANIFOLD WOULD COST ABOUT $400, AND ABOUT ANOTHER $400 IN LABOR. THE FINAL BILL WAS ACTUALLY $820 AND $60 FOR TOWING. UPON NOTIFICATION THAT A NEWLY DESIGNED MANIFOLD WAS NOW BEING SOLD, I BECAME SUSPICIOUS ABOUT WHY FORD WOULD DO THAT. I CHECKED FORD AND WAS TOLD "MY VIN# WAS NOT PART OF ANY RECALL, PERIOD! AFTER CHECKING THIS NHTSA SITE HOWEVER, I FOUND SEVERAL INTERESTING FACTS. THERE WERE ABOUT 300 COMPLAINTS OF THIS SAME RUPTURE - I BELIEVE THE NUMBER OF PEOPLE NOT REPORTING THIS PROBLEM WERE SEVERAL TIMES HIGHER. I ALSO FOUND OUT THAT ALL 4.6 LITER ENGINES AT LEAST IN 1997 AND 1998 HAD THE SAME PROBLEM. I ALSO DISCOVERED THAT FORD HAD "QUIETLY" AND I SUSPECT "ILLEGALLY" DID A SELECTED RECALL ON FLEET VEHICLES AND POLICE VEHICLES WITHOUT TELLING ANYONE ELSE. WHY WOULD FORD BE ALLOWED TO SELECTIVELY CORRECT AN ENGINEERING DEFECT. IS MY LIFE WORTH ANY LESS THAN A FLEET CAR DRIVER? I CALLED FORDS CONSUMER HOTLINE AT 1-800-392-3673 AND SPOKE WITH A REP NAMED VICKY. SHE HAD THE AUDACITY TO SAY MY VIN# HAD NO RECALL AND SHE NEVER HEARD OF THIS PROBLEM, FURTHERMORE THAT SHE HAD NO ACCESS TO THIS SITE NOR WAS AWARE OF IT. IF EVER A COMPANY NEEDED REPRIMANDED, FORD DOES. *NLM
NHTSA ODI #10023983
63,000 miles · Jun 13, 2003
Engine And Engine Cooling
INTAKE MANIFOLD BLEW OUT CAUSING ALL OF THE WATER TO LEAVE THE ENGINE. THIS RESULTED IN ENGINE RUNNING HOT. *MR PH
NHTSA ODI #10024080
Mileage unknown · Mar 12, 2003
Suspension
THE PASSENGER LOWER CONTROL ARM BROKE.*JB
NHTSA ODI #10011549
31,000 miles · Feb 19, 2003
Suspension
THE LOWER CONTROL ARM WELD TO THE FRAME BROKE WHILE DRIVING.*JB *TS
NHTSA ODI #10008732
51,412 miles · Feb 13, 2003
TiresCrash
THE VEHICLE EXPERIENCED 2 TIRE BLOWS OUT SIMULTANEOUSLY, WHICH CAUSED THE CONSUMER TO HIT THE MEDIAN. *JB
ON CERTAIN PASSENGER VEHICLES BUILT WITH ELECTRONIC TRACTION CONTROL, THE REAR BRAKE LINE MAY CHAFE DUE TO CONTACT BETWEEN IT AND A FLOOR PAN STIFFENING RIB, AND A BRAKE FLUID LEAK MAY OCCUR.
Consequence & remedy
Consequence: THE BRAKE PEDAL MAY DEVELOP A "SPONGY" FEEL AND DROPS OF BRAKE FLUID MAY BE OBSERVED BENEATH THE VEHICLE. OVER TIME BRAKE PERFORMANCE MAY BE COMPROMISED AND STOPPING DISTANCES COULD BE EXTENDED WHICH COULD LEAD TO A CRASH.
Remedy: DEALERS WILL INSPECT THE SUBJECT VEHICLES FOR CONTACT BETWEEN THE BRAKE TUBE AND FLOOR PAN STIFFENING RIB. IF CONTACT IS EVIDENT, BUT NO ABRASION OR LEAKS EXIST, THE BRAKE TUBE WILL BE REPOSITIONED TO PRECLUDE FURTHER CONTACT AND POTENTIAL ABRASION. IF INDICATION OF ABRASION OR A LEAK IS EVIDENT, DEALERS WILL REPAIR THE BRAKE LINE. THIS CAMPAIGN BEGAN ON JULY 15, 2005. OWNERS MAY CONTACT FORD AT 1-800-392-3673.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
1997 Mercury Marquis Problems, Complaints & Recalls | Skip That Year