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FaultScore report

1984 Mercury Marquis problems

Owners have filed 23 complaints about the 1984 Mercury Marquis with NHTSA between 1995 and 2003. The largest single group is the electrical system.

Read the complaints What breaks Worst years for the Mercury Marquis
—

Not graded

Too few complaints, or too short a model run, to compare fairly.

How this is worked out

The numbers

23

Complaints

1

Crashes reported

1

Fires reported

0

Injuries reported

How 1984 compares with every other Mercury Marquis

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 1984 Mercury Marquis

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Electrical System 6 26.1%

0 crashes, 1 fires

Transmission & Drivetrain 4 17.4%

1 crashes, 0 fires · median 112,160 mi

Fuel & Propulsion 3 13.0%
Brakes 3 13.0%
Engine & Cooling 3 13.0%
Body & Structure 2 8.7%
Equipment & Accessories 1 4.3%

Median failure at 112,160 miles

Lights 1 4.3%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Jan 1995 peak 7 Feb 2003

NHTSA investigations into the 1984 Mercury Marquis

An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.

PE89039 Opened 9 Feb 1989 Closed 13 Jun 1989 PARKING BRAKE

PARKING BRAKE FAILURE

SUMMARY:THE SPRING UNDER INVESTIGATION CAUSES THE LATCHING PAWL TOENGAGE THE TEETH OF THE RATCHET WHEREBY THE PARKING BRAKE IS RETAINEDIN THE APPLIED POSITION.IF THE SPRING FAILS, THE PEDAL FOLLOWS THEOPERATORS FOOT BACK UP INTO THE RELEASED POSITION.FORD STATES THAT IT ISSUED THE BULLETIN IN ORDER TO INFORM DEALERSTHAT THE SPRING WAS NEWLY AVAILABLE AS A SEPARATE PART.PREVIOUSLY,IT WAS NECESSARY TO REPLACE THE ENTIRE PARKING BRAKE CONTROL ASSEMBLY INORDER TO OBTAIN A NEW SPRING.SINCE THE FAILURE OF THE SPRING WILL NOT CAUSE THE PARKING BRAKE TOSUDDENLY AND UNEXPECTEDLY RELEASE AND SINCE THERE...

PE87028 Opened 1 May 1987 Closed 21 Jan 1988 ELECTRICAL SYSTEM

STALLING

NO SAFETY DEFECT TREND HAS BEEN DETECTED.===

EA86010 Opened 26 Mar 1986 Closed 28 Jul 1989 SEATS

SEATBACK FAILURE

SUMMARY OF INFORMATION FROM MANUFACTURER:FORD BELIEVES THAT THE AL-LEGED DEFECT ONLY OCCURS IN A SMALL NUMBER OF THE SUBJECT VEHICLES ANDRECALLED ABOUT 195,732 1984 TEMPO/TOPAZ VEHICLES IN JUNE 1986.ANALYSIS: VEHICLES POTENTIALLY INVOLVED INCLUDE TEMPO/TOPAZ, ESCORT/LYNX/EXP, MUSTANG/CAPRI, LTD/MARQUIS, AND THUNDERBIRD/COUGAR.FORD SOLD ABOUT 110,000 REPLACEMENT MIO BOLTS, MAINLY FOR 1983 AND 1984MODELS. LOW CLAMPING FORCE APPEARS TO BE A LARGE PART OF THE PROBLEM.FORD INCREASED THE TORQUE REQUIREMENTS AND REQUIRED THE USE OF A MANUALTORQUE TOOL IN MARCH AND SEPTEMBER 1985 PRODUCTION CHANGES. 1...

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

Waymont, MA Fire

ELECTRICAL SYSTEM:IGNITION:SWITCH

IGNITION FIRE.

NHTSA complaint #983161 — an unverified report by a vehicle owner.

Novato, CA Crash

POWER TRAIN:AUTOMATIC TRANSMISSION

CONSUMER PARK CAR DRIVE WAY CAR WAS RUN IN PARK IT CAME OUT OF PARK WENT INTO REVERSE WENT DOWN HILL AND HIT AN ENBANKMENT. TT

NHTSA complaint #965366 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 112,160 miles Ontario, CA

POWER TRAIN:AUTOMATIC TRANSMISSION

I PURCHASE A USED VEHICLE ON 2-03-03 AT 11:OO AM I WAS ENSURED THAT IT WAS A GREAT VEHICLE. ABOUT 5:15 PM I WAS ON THE FREEWAY, AND IT STARTED TO SMOKE AND IT LOOSE COMPRESSION. I HAD SPOKE TO THE DEALER AND HE STATED THAT IT WASEN'T HIS PROBLEM. I FEEL THAT I WAS SOLD A UNSAFE VEHICLE.

NHTSA complaint #10005314 — an unverified report by a vehicle owner.

at 112,160 miles Ontario, CA

EQUIPMENT

I PURCHASE A USED VEHICLE ON 2-03-03 AT 11:OO AM I WAS ENSURED THAT IT WAS A GREAT VEHICLE. ABOUT 5:15 PM I WAS ON THE FREEWAY, AND IT STARTED TO SMOKE AND IT LOOSE COMPRESSION. I HAD SPOKE TO THE DEALER AND HE STATED THAT IT WASEN'T HIS PROBLEM. I FEEL THAT I WAS SOLD A UNSAFE VEHICLE.

NHTSA complaint #10005314 — an unverified report by a vehicle owner.

North Edwards, CA

POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH

VEHICLE LOST ALL ELECTRICAL POWER WHILE GOING DOWN THE HIGHWAY AT 65 MPH. PULLED OVER AND AFTER SEVERAL ATTEMPS THE CAR STARTED, BUT WHEN YOU PUT IT INTO GEAR IT WOULD LOSE ELECTRICAL POWER. AFTER INVESTIGATING, I FOUND THE IGNITION WIRING SEPARATED FROM ITS HOUSING.

NHTSA complaint #730414 — an unverified report by a vehicle owner.

North Edwards, CA

ELECTRICAL SYSTEM:IGNITION:SWITCH

VEHICLE LOST ALL ELECTRICAL POWER WHILE GOING DOWN THE HIGHWAY AT 65 MPH. PULLED OVER AND AFTER SEVERAL ATTEMPS THE CAR STARTED, BUT WHEN YOU PUT IT INTO GEAR IT WOULD LOSE ELECTRICAL POWER. AFTER INVESTIGATING, I FOUND THE IGNITION WIRING SEPARATED FROM ITS HOUSING.

NHTSA complaint #730414 — an unverified report by a vehicle owner.

North Edwards, CA

POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH

VEHICLE LOST ALL ELECTRICAL POWER WHILE GOING DOWN THE HIGHWAY AT 65 MPH. PULLED OVER AND AFTER SEVERAL ATTEMPS THE CAR STARTED, BUT WHEN YOU PUT IT INTO GEAR IT WOULD LOSE ELECTRICAL POWER. AFTER INVESTIGATING, I FOUND THE IGNITION WIRING SEPARATED FROM ITS HOUSING.

NHTSA complaint #730414 — an unverified report by a vehicle owner.

North Edwards, CA

ELECTRICAL SYSTEM:IGNITION:SWITCH

VEHICLE LOST ALL ELECTRICAL POWER WHILE GOING DOWN THE HIGHWAY AT 65 MPH. PULLED OVER AND AFTER SEVERAL ATTEMPS THE CAR STARTED, BUT WHEN YOU PUT IT INTO GEAR IT WOULD LOSE ELECTRICAL POWER. AFTER INVESTIGATING, I FOUND THE IGNITION WIRING SEPARATED FROM ITS HOUSING.

NHTSA complaint #730414 — an unverified report by a vehicle owner.

Coal City, IN

ELECTRICAL SYSTEM:IGNITION:SWITCH

IGNITION SWITCH STARTED SMOKING DUE TO SHORT.

NHTSA complaint #534456 — an unverified report by a vehicle owner.

Coal City, IN

ELECTRICAL SYSTEM:IGNITION:SWITCH

UPON TURNING ON IGNITION SWITCH, SMOKE CAME OUT DUE TO A CABLE NEXT TO BRAKE BOOSTER MELTED.

NHTSA complaint #534632 — an unverified report by a vehicle owner.

Wauwatosa, WI

ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Wauwatosa, WI

EXTERIOR LIGHTING:HEADLIGHTS

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Wauwatosa, WI

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Wauwatosa, WI

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Wauwatosa, WI

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Wauwatosa, WI

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Wauwatosa, WI

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM

RADIATOR/RADIATOR HOSE FAILED, RESULTING INN AN OIL LEAK; ALSO REPLACED BELTS/BRAKE PADS, SHOES, DRUMS AND WHEEL CYLINDERS/ EXHAUST SYSTEM/ALTERNATOR/HEADLAMPS.

NHTSA complaint #512171 — an unverified report by a vehicle owner.

Alexandria, VA

STRUCTURE:BODY

HEAD LINER FABRIC HANGING DOWN, OBSCURING VISION TO THE REAR. (SECOND VEHICLE ON 502774)

NHTSA complaint #601573 — an unverified report by a vehicle owner.

Alexandria, VA

FUEL SYSTEM, OTHER

GAS GAUGE INDICATOR FAILED.

NHTSA complaint #601573 — an unverified report by a vehicle owner.

Waymont, MA Fire

ELECTRICAL SYSTEM:IGNITION:SWITCH

IGNITION FIRE.

NHTSA complaint #983161 — an unverified report by a vehicle owner.

Alexandria, VA

STRUCTURE:BODY

HEAD LINER HANGS LOOSE, OBSCURING VISION.

NHTSA complaint #601339 — an unverified report by a vehicle owner.

Alexandria, VA

FUEL SYSTEM, OTHER

GAS GUAGE INDICATOR FAILED.

NHTSA complaint #601339 — an unverified report by a vehicle owner.

Alexandria, VA

ELECTRICAL SYSTEM:IGNITION:SWITCH

IGNITION SWITCH FAILED. (SECOND VEHICLE ON 501820) *DSH

NHTSA complaint #601339 — an unverified report by a vehicle owner.

Novato, CA Crash

POWER TRAIN:AUTOMATIC TRANSMISSION

CONSUMER PARK CAR DRIVE WAY CAR WAS RUN IN PARK IT CAME OUT OF PARK WENT INTO REVERSE WENT DOWN HILL AND HIT AN ENBANKMENT. TT

NHTSA complaint #965366 — an unverified report by a vehicle owner.

Scardville, ME

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

GAS TANK HAS TO BE REPLACED BECAUSE OF EXCESSIVE LEAKAGE. TT

NHTSA complaint #958974 — an unverified report by a vehicle owner.