MERCURY GRAND MARQUIS · model year

1990 MERCURY GRAND MARQUIS

63 NHTSA complaints, 7 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1990MERCURYGRAND MARQUIS carries 63 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 7 crashes, 6 fires, 4 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1990 GRAND MARQUIS is vehicle speed control with 5 filings, followed by air bags (5) and power train:automatic transmission (5). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 3 investigation files overlapping the 1990 GRAND MARQUIS. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

63
Complaints
7
Crashes
6
Fires
4
Injuries
0
Deaths

Total Complaints

63 filings

Crashes Reported

7 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
VEHICLE SPEED CONTROL5
AIR BAGS5
POWER TRAIN:AUTOMATIC TRANSMISSION5
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE4
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD3
STRUCTURE:BODY:DOOR3
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE3
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC2
ELECTRICAL SYSTEM:HORN2
ELECTRICAL SYSTEM:IGNITION:SWITCH2
UNKNOWN OR OTHER2
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR2
VEHICLE SPEED CONTROL:LINKAGES2
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP2
ELECTRICAL SYSTEM:IGNITION:MODULE2

Recent Complaints

20150801ENGINE

ENGINE OCCASIONALLY SURGES WHEN PLACED INTO REVERSE. THE ENGINE IMMEDIATELY RACES AND THE CAR EVEN CONVULSES. THE ONLY THING THAT STOPS IT IS TO TURN OFF THE ENGINE. THIS IS MY MOM'S CAR AND SHE RARELY DRIVES IT.

Mileage: 40,000

20050524CrashFUEL SYSTEM, GASOLINE:DELIVERY

I EMBARKED ON A ROUTINE TRIP TO DINNER IN MY MOTHER'S 1990 MERCURY MARQUIS. I STARTED THE ENGINE WHICH IDLED NORMALLY, AS USUAL. WITH MY FOOT ON THE BRAKE, I ENGAGED THE SHIFT LEVER INTO THE R POSITION WHICH RESULTED IN IMMEDIATE ACCELLERATION IN A REVERSE DIRECTION. I SWERVED THE CAR TO THE LEFT TO AVOID CHILDREN ACROSS THE STREET AND RAMMED A VEHICLE PARKED ON THE STREET. THE VEHICLE STOPPED ON IMPACT WITH THE OTHER VEHICLE AND RETURNED TO NORMAL IDLE SPEED. I PLACE THE CAR IN D AND RETURNED IT TO THE DRIVEWAY WHERE IT REMAINED UNTIL WE COULD DELIVER IT TO OUR FAMILY MECHANIC. HE PLACED THE ENGINE ON HIS ANALYZER - DID OTHER INSPECTIONS OF BRAKES, CRUISE CONTROL AND OTHER THROTTLE RELATED SYSTEMS AND FOUND NOTHING.

Mileage: 89,000

20041028TIRES:SIDEWALL

GOODYEAR INTEGRITY P215/75R15. SIDEWALL BLOWOUT AT HIGHWAY SPEED (45-55 MPH.) TIRES WERE INSTALLED ON 08/27/2001, AND HAD 36,000 MILES AT TIME OF FAILURE. TIRES WERE WELL MAINTAINED, HAD NO PRIOR DAMAGE, AND TIRE SHOWED NO SIGNS OF PROBLEMS PRIOR TO FAILURE. FAILURE WAS SPONTANEOUS AND CATASTROPHIC. T IS IRONIC THAT A TIRE WITH THE BRAND NAME OF "INTEGRITY" SHOULD SPONTANEOUSLY DISINTEGRATE.*AK

20040915AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE

THE 'AIR BAG' LIGHT ON MY DASH IS LIGHTING UP. IT DOESN'T STAY ON CONSTANTLY, BUT IT DOES FLASH, WHICH CONCERNS ME. IT DOESN'T GO ON EVERY TIME MY CAR IS ON, BUT IT DOES FLASH ABOUT 95% OF THE TIME. I SAW THE RECALL AND WANT TO KNOW IF MY VEHICLE WAS INVOLVED AND IF IT WAS FIXED.*AK

20040907AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE

I HAVE A CONCERN ABOUT THE AIR BAG IN MY CAR, WHICH IS A 1990 MERCURY GRAND MARQUIS. THE "AIR BAG" LIGHT COMES ON. IT DOESN'T STAY ON CONSTANTLY, BUT IT DOES 'FLICKER' OR IT WILL STAY ON FOR A FEW SECONDS. THERE ARE TIMES WHERE IT DOESN'T COME ON AT ALL, BUT I AM STILL CONCERNED. I WAS WONDERING, SINCE THERE WAS A RECALL ON THE PART OF THE AIRBAG, IF I SHOULD HAVE IT LOOKED AT. *AK

20031007POWER TRAIN:AUTOMATIC TRANSMISSION

PROBLEMS WITH TRANSMISSION MALFUNCTIONING.*MR WHEN THE VEHICLES ACCELERATOR PEDAL WAS PRESSED IT BECAME STUCK TO THE FLOOR OF THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER WHO INDICATED THAT THE INSULATOR CAP FELL OFF. THE TECHNICIAN SAID THIS WAS A COMMON PROBLEM WITH THESE VEHICLE. *NLM

20030916SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

BRAKE LINES RUSTED THROUGH, LOSS OF REAR BRAKES. ALSO EMERGENCY BRAKE FROZEN AND INOPERABLE. *JB

Mileage: 49,000

20030916PARKING BRAKE

BRAKE LINES RUSTED THROUGH, LOSS OF REAR BRAKES. ALSO EMERGENCY BRAKE FROZEN AND INOPERABLE. *JB

Mileage: 49,000

20030711VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

WHILE DRIVING AT NORMAL SPEED ACCELERATOR PEDAL WENT TO THE FLOOR, AND VEHICLE LOST ALL POWER TO GO FORWARD. DEALER NOTIFIED. CONSUMER STATED THIS VEHICLE WAS NO LONGER UNDER WARRANTY. TRANSMISSION COST OVER $1000.00. *AK *CB

Mileage: 127,998

20030711POWER TRAIN:AUTOMATIC TRANSMISSION

WHILE DRIVING AUTOMATIC TRANSMISSION DOESN'T SHIFT PROPERLY FROM THE FIRST GEAR, WONT SHIFT. DEALER NOTIFIED. VEHICLE WAS TAKEN TO INDEPENDENT SHOP AND OVERHAULED. TRANSMISSION AT COST OVER $1000.00 *AK *CB

Mileage: 127,989

20030509SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

THE VEHICLE LEAKED BRAKE FLUID. THE VEHICLE WAS TAKEN TO A SERVICE TECHNICIAN WHO STATED THE BRAKE LINE RUSTED. *JB

20021106AIR BAGS

I WAS GIVEN THIS CAR, INSTEAD OF PURCHASING IT. WHEN I RECEIVED THIS CAR WITH THE AIR BAG LIGHT FLASHING. IT CONTINUES TO BLINK 10 TIMES, THEN REPEATS ITSELF. LIKE A CODE. THE R. FRONT BUMBER WAS DENTED IN BUT, THE AIRBAG DID NOT DEPLOY. DT

20021001ELECTRICAL SYSTEM:IGNITION:MODULE

THE CONSUMER WAS SEEKING RECALL ON THE TFI MODULE WHICH WAS DEFECTIVE. THE TFI MODULE FAILURE COULD RESULT IN ACCIDENT AND DEATH. CONSUMER STATED THAT THE CLASS ACTION SETTLEMENT DOES NOT FORCE A RECALL BUT ONLY COVERS REPLACEMENT COST AFTER FAILURE. *YH

20020813ELECTRICAL SYSTEM:IGNITION:MODULE

CONSUMER STATES DURING HIGHWAY DRIVING VEHICLE COMPLETELY SHUT DOWN AND WOULD NOT RESTART. THICK FILM IGNITION MOUDLE HAD TO BE REPLACED. *TT

20010827ELECTRICAL SYSTEM:IGNITION

I WAS PROCEEDING HOME IN EVENING RUSH HOUR TRAFFIC WHEN THE CAR ENGINE QUIT INSTANTANEOUSLY. I WAS FORCED TO STOP IN THE RIGHT LANE OF TRAFFIC. ALTHOUGH IN THE RIGHT LANE I COULD NOT PULL OFF OF THE ROAD BECAUSE THERE WAS A BARRIER WITH NO SHOULDER FOR ME TO PULL ONTO. FORTUNATELY I WAS NOT HIT BY ANOTHER CAR ALTHOUGH I WAS SITTING WHERE TRAFFIC HAD TO STOP ABRUPTLY AND SWERVE TO AVOID HITTING ME. THE CAR WAS SITTING IN TRAFFIC UNTIL A TOW TRUCK ARRIVED APPROXIMATELY ONE HOUR LATER. THE VEHICLE TRAFFIC WHERE I WAS STALLED ROUTINELY MOVES AT OVER 50 MILES PER HOUR WHICH LUCKILY FOR ME DID NOT RESULT IN A MAJOR ACCIDENT. *AK

20010226POWER TRAIN:AUTOMATIC TRANSMISSION

CAR WAS PURCHASED NEW BY FATHER-IN-LAW ROBERT SPEEG IN 1989 OR 1990 WITH THE 5 YEAR EXTENDED WARRANTY. OWNERSHIP TRANSFERRED TO US IN 1995 AND WE TRANSFERRED EXTENDED WARRANTY. CAR HAS BEEN A LEMON WITH 3 MAJOR TRANSMISSION PROBLEMS IN LESS THAN 60,000 MILES. LAST TRANSMISSION SERVICE COST US $1,434. PREVIOUS TWO WERE COVERED BY EXTENDED WARRANTY BUT WERE OF SIMILIAR MAGNITUDE. CAR IS LOW MILEAGE AND IN GREAT PHSICAL CONDITION BUT IS A MECHANICAL/ELECTRICAL LEMON. CURRENT PROBLEM WHICH PROMPTED REPORTING IS THE ENGINE STALLING AT HIGHWAY SPEED ABOUT 6 TIMES IN THE LAST 3 MONTHS. THERE IS NO WARNING AND NO MISSING AND YOU ARE FORCED TO MANEUVAR THE CAR OUT OF TRAFFIC WIHOUT POWER STEERING OR POWER BRAKES. CAR WILL NOT RESTART BY CRANKING ENGINE AND DOESN'T EVEN TRY. ACTS LIKE IGNITION OR FUEL SUPPLY HAS BEEN DISABLED. HOWEVER, IF YOU OPEN THE AIR CLEANER AND LIFT THE AIR FILTER, CAR STARTS RIGHT AWAY. HAVE REPLACED AIR FILTER EVEN THOUGH IT WAS NOT DIRTY - DID NOT HELP. AFT

20010109FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

VEHICLE WAS DRIVEN APPROXIMATELY ONE MILE AND PARKED. UPON EXITING THE VEHICLE, THE OPERATOR NOTICED SMOKE COMING FROM UNDER THE HOOD. AFTER OPENING THE HOOD, THE OPERATOR IDENTIFIED THE SOURCE OF THE SMOKE AS THE ALTERNATOR. OPERATOR CONTINUED TO OBSERVE THE VEHICLE AND NOTED THAT THE VOLUME OF SMOKE WAS INCREASING. AFTER APPROXIMATELY TWO MINUTES, THE ALTERNATOR BURST INTO FLAMES. ARCING WAS SEEN AND HEARD WITHIN THE ALTERNATOR. THE ALTERNATOR HAD BEEN PREVIOUSLY REPLACED BY FETTE FORD IN WAYNE, NJ IN SEPT 1999 AND, UPON SUBSEQUENT FAILURE, AGAIN IN APPROXIMATELY JAN 2000. FETTE FORD STATED THAT REBUILT FORD ALTERNATORS WERE USED IN BOTH CASES. *AK

20001219AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE

AIR BAG LIGHT FLASHES CONTINUALLY, THE DEALER ADVISED THAT THE PROBLEM IS THE CENTER CRASH SENSOR AND THAT THE AIRBAG WOULD NOT DEPLOY IN AN ACCIDENT. *SLC

20000927SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

HAD 2 EMERGANCY STOPS AND CAR DID NOT STOP , FRONT BRAKES LOCKED AND CAR SKIDED AND WOULD NOT STOP DEALER SAID HE HAD SAME CAR AND SAID "THATS HOW THE BRAKES ARE IN THIS CAR , THEY JUST DON'T STOP. THIS CAR IS A HAZARD AND CORRECTION SHOULD BE MADE BY THE MANUFACTURER

20000417SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

WHILE TRAVELING ABS INDICATOR LIGHT FLASHED INTERMITTENTLY. DEALER HAS BEEN CONTACTED. PLEASE PROVIDE FURTHER INFORMATION. *AK

Compare 1990MERCURYGRAND MARQUIS to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 1990 MERCURY GRAND MARQUIS have?
The 1990 MERCURY GRAND MARQUIS has 63 NHTSA complaints, 7 crashes, 6 fires, 4 injuries, and 0 deaths reported.
What are the most common problems with the 1990 MERCURY GRAND MARQUIS?
The most-complained component for the 1990 MERCURY GRAND MARQUIS is VEHICLE SPEED CONTROL with 5 complaints. Other frequently reported areas include AIR BAGS and POWER TRAIN:AUTOMATIC TRANSMISSION.
Is the 1990 MERCURY GRAND MARQUIS safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.