1991 Mercury Grand Marquis Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1991 Mercury Grand Marquis, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical2121.4%
- Brakes1414.3%
- Driver assistance1212.2%
- Airbags1111.2%
- Engine1010.2%
- Transmission88.2%
- Fuel system44.1%
- Body & structure44.1%
- Interior & seats33.1%
- Exterior lighting33.1%
- Visibility33.1%
- Suspension22.0%
- Tires & wheels11.0%
- Heating & air conditioning11.0%
- Steering11.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
1991 MERCURY GRAND MARQUIS. CONSUMER WRITES IN REGARDS TO DEFECTIVE AFTER MARKET ELECTRICAL COMPONENT. *LD THE CONSUMER PURCHASED A NEW STARTER SOLENOID RELAY, BWD SELECT BRAND BY STANDARD MOTOR PRODUCTS INC., AFTER ABOUT 10 DAYS, IT SHORT-CIRCUITED. DUE TO THIS THE STARTER WOULD NOT DISENGAGE FROM THE FLYWHEEL WHEN STARTING THE VEHICLE. IT MADE A VERY LOUD METAL GRINDING SOUND. THE VEHICLE WAS REPAIRED WITH A NEW STARTER RELAY. *JS
ALTERNATOR SPONTANEOUSLY CAUGHT ON FIRE AFTER THE CAR WAS STOPPED AND TURNED OFF. *JB
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
WHEN PUSHING EMERGENCY BRAKE DOWN IT WILL NOT STAY IN THE LOCKED POSITION, AND THIS WILL NOT PROPERLY HOLD VEHICLE. *AK
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
WHILE DRIVING ON THE HIGHWAY WITH CRUISE CONTROL SET STEPPED ON THE BRAKES, BUT THEY DIDN'T DEACTIVATE THE SPEED CONTROL. TURNED VEHICLE OFF, AND THEN BACK ON, AND THAT DIDN'T HELP. HAD TO OPEN THE HOOD TO DISCONNECT THE SWITCH. CONTACTED DEALER. *AK
DRIVER TURNED ON IGNITION ,PUT TRANSMISSION IN REVERSE WITH FOOT STILL ON BRAKES , THE VEHICLE TOOK OFF IN REVERSE, HITTING 4 VEHICLES, AND THEN WENT FORWARD HITTING A BUILDING. *AK
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
CONSUMER WAS BACKING OUT OF DRIVEWAY AND DRIVER'S SIDE AIRBAG WENT OFF WITHOUT PRIOR WARNING. BE ADVISED SHE DIDN'T STRIKE ANY OBJECTS/ A CURB OR TREE. CONSUMER SUSTAINED BURNS TO HER BODY.*AK
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
V8 CYLINDER ENGINE IS RUNNING 70. 8 CYLINDER IS NOT GETTING OIL, THIS CAUSES VEHICLE TO STALL OUT. PLEASE PROVIDE ANY FURTHER INFORMATION.*AK
VEHICLE STARTS AND RIDES FOR ABOUT 20 MILES, THEN IF I HAVE TO STOP FOR SOME REASON THE CAR STALLS ESPECIALLY IF I HAVE TO BACK UP. THIS HAPPENS ALMOST DAILLY. NO ACCIDENTS YET BUT I AM AFRAID I WILL CAUSE A SERIOUS ACCIDENT WITH THIS PROBLEM. I THINK MY CAR SHOULD BE RECALLED AND HAVE THID PROBLEM FIXED. *AK
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
I PARKED MY CAR IN MY DRIVEWAY AND GOT OUT. THE CAR WAS IN "PARK" AND I WAS STANDING AT MY OPENED DOOR REACHING TO OPEN THE PASSANGER DOOR. THE CAR SHIFTED TO "REVERSE". IT KNOCKED ME DOWN AND RAN OVER ME WITH THE FRONT TIRE. IT RAN OVER MY LEGS AND CHEST. IT THEN SCRAPPED AND DENTED MY WIFE'S CAR, AND WAS HALTED BY RUNNING IN TO THE REAR END OF MY NEIGHBOR'S CAR ACROSS THE STREET. HE IS A POLICE OFFICER AND HE FILED THE REPORT. MY INSURANCE COMPANY WILL NOT COVER ANY MORE OF MY MEDICAL BILLS. I HAVE NOT BEEN ABLE TO WORK SINCE THE ACCIDENT. I HAD JUST HAD KNEE SURGERY BEFORE THIS HAPPENED. I AM PERMANENTLY DISABLED. PLEASE CONTACT ME IF YOU CAN HELP ME. (910) 452-0222. *AK
THE VEHICLE HAD BEEN THROUGH 3 TRANSMISSIONS, A WATER PUMP, BRAKES, MUFFLER, TAILPIPE, SHOCKS AND ELECTRICAL DOOR LATCHES. THE ENGINE CHECK LIGHT COMES ON INTERMITTENTLY. *AK.ET.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
FUEL INJECTOR NEEDLE VALVES BROKE, CAUSING FUEL TO LEAK INTO THE CYLINDERS, RESULTING IN LOW ENGINE COMPRESSION. DEALER HAS BEEN NOTIFIED. *AK *YC
AS I WAS TURNING A CORNER MY CAR QUIT RUNNING. FURTHER INVESTIGATION FOUND THAT THERE WAS NO POWER GETTING TO THE FUEL PUMP. THE INERTIA SWITCH HAD MELTED FROM A ELECTRICAL SHORT IN THE SYSTEM. AFTER REMOVING THE FUEL PUMP/SENDING UNIT ASSY. FROM THE GAS TANK, I FOUND THE SHORT IN THE TANK. THE 12 VOLT POWER SUPPLY THAT RUNS FROM THE TANK WALL PLATE, TO THE FUEL PUMP, RUNS TO CLOSE TO THE SENDING UNIT MOUNTING PLATE NEAR THE FUEL PUMP. OVER TIME, THE STEEL MOUNTING PLATE HAD RUBBED THE SINGAL COAT OF INSULATION FROM THE POWER WIRE. THIS CAUSED A DIRECT SHORT INSIDE THE FUEL TANK. AS A CAR MECHANIC FOR TEN YEARS BEFORE MOVING INTO AIRCRAFT MECHANICS, NO SIGNS WERE EVIDENT OF THE SENDING UNIT ASSY. EVER BEING REMOVED. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
FRAME ON CONSUMER'S SIDE IS BADLY RUSTED. ALSO, WHEN MAKING A RIGHT HAND TURN VEHICLE IS MAKING NOISE . CONSUMER HAS CONTACTED DEALER, DEALER HAS MADE REPAIRS, FRAME PLATE WAS WELDED. PLEASE PROVIDE ANY FURTHER DETAILS. *AK
THE VEHICLE HAD BEEN THROUGH 3 TRANSMISSIONS, A WATER PUMP, BRAKES, MUFFLER, TAILPIPE, SHOCKS AND ELECTRICAL DOOR LATCHES. THE ENGINE CHECK LIGHT COMES ON INTERMITTENTLY. *AK.ET.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
BOLT HOLDING THE FRONT AND REAR DOOR LATCH ON THE LEFT SIDE VIBRATES LOOSE APPROXIMATELY EVERY 100 MILES REQUIRING TIGHTENING.
WHILE DRIVING DURING ANY WEATHER CONDITION THE ABS BRAKES WILL LOCK UP EVERY SIX MONTHS. *AK FRONT DOOR LOCKS FREEZE IN THE WINTER LEAVING THEM INOPERABLE. CONSUMER STATES SOME WIRES BURNED CAUSING BLACK SMOKE TO FILL UP VEHICLE. BRAKES VERY ROUGH WHEN APPLIED. OIL LEAK. *SLC
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
VEHICLE CAUGHT ON FIRE WHILE PARKED AND NOT RUNNING. SMOKE WAS BUILDING UP INSIDE. FIRE DEPARTMENT ARRIVED & PUT FLAMES OUT. ORIGIN OF FIRE WAS HEADLIGHT SWITCH. ALSO, PRIVATE INSPECTOR INDICATED THAT IT WAS THE LIGHT SWITCH. *AK
ELECTRICAL SYSTEM FAILURE, WINDSHIELD WIPERS, TURN SIGNALS INDICATOR LIGHTS, POWER DOOR LOCKS MALFUNCTION. TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
POWER WINDOW ON THE PASSENGER SIDE DOES NOT GO DOWN AT ALL.THE CAR KEEPS KILLING THE BATTERY AND I'VE ALREADY SPENT MONEY ON AN ALTERNATOR USED. BRAKE PEDAL SEEMS STIFF AT TIMES AND DOES NOT GRAB WELL AT TIMES. AIR BAG LIGHT HAS BEEN BLINKING EVER SINCE I BOUGHT CAR BECAUSE OF AIR BAG FAILURE. IT WAS DISCONNECTED BY THE GARAGE THAT THE OWNER BEFORE ME HAD BOUGHT IT FROM.
ELECTRICAL SYSTEM FAILURE, WINDSHIELD WIPERS, TURN SIGNALS INDICATOR LIGHTS, POWER DOOR LOCKS MALFUNCTION. TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
THE VEHICLE HAD BEEN THROUGH 3 TRANSMISSIONS, A WATER PUMP, BRAKES, MUFFLER, TAILPIPE, SHOCKS AND ELECTRICAL DOOR LATCHES. THE ENGINE CHECK LIGHT COMES ON INTERMITTENTLY. *AK.ET.
FRONT END DESIGN DOES NOT ALLOW FOR THE COMPONENTS TO BE GREASED RESULTING IN FAILURES /EXCESSIVE WEAR OF VARIOUS SUSPENSION COMPONENTS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
AUTOMATIC TRANSMISSION FAILED.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
WHILE DRIVING WITH AIR CONDITIONING ON A BURNING SMELL AND SMOKE CAME THROUGH THE VENTS. THIS COULD HAVE STARTED A FIRE IF THE OCCUPANT DID NOT TURN OFF THE AIR CONDITIONING. MANUFACTURER HAS NOT BEEN CONTACTED. PLEASE PROVIDE FURTHER INFORMATION. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
IN SNOW WEATHER THE STEERING IS HARD TO TURN, NO CONTROL, SOMETIME CAN'T STOP CAR, HAVE DISC BRAKE. TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .