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1984 Mercury Grand Marquis

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
15Owner complaints

Model-year median: 78

1Recall campaigns

View recall details →

1Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
2
19813
19827
198315
198421
198521
198643
1987
Compare all Grand Marquis years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Electrical System
5Engine And Engine Cooling
5Vehicle Speed Control
4Fuel System, Gasoline
2Structure
2
All reported categories
Unknown Or Other
2Suspension
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Electrical System. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports4 fire reports1 injury reports

What owners actually said

15 reports
Mileage unknown · Mar 28, 1996
Engine And Engine CoolingStructureUnknown Or Other

EVP SENSOR CORE SYSTEM FAILED, KEEPING EGR VALVE OPEN, CAUSING ENGINE TO STALL. (FIRST VEHICLE ON 601573)

NHTSA ODI #502774

Mileage unknown · Feb 19, 1996
Electrical SystemEngine And Engine CoolingStructure

HEAD LINER IS LOOSE, BLOCKING VISIBILITY.

NHTSA ODI #501820

Mileage unknown · Jul 20, 1995
Fuel System, GasolineFire

VEHICLE EXPLODED INTO FLAMES WHEN HIT FROM BEHIND. *DH

NHTSA ODI #484238

Mileage unknown · May 9, 1995
Engine And Engine Cooling

ENGINE STALLS/HESITATES/ROUGH IDLE DUE TO EGR VALVE FAILURE (OTHER VEHICLE ON 479693). *AK

NHTSA ODI #486389

Mileage unknown · Feb 15, 1995
Vehicle Speed ControlCrash

ACCELERATOR STUCK WHILE ATTEMPTING TO BACK UP, CAUSING SUDDEN ACCELERATION/LOSS OF CONTROL/ACCIDENT. *SKD

NHTSA ODI #481258

Official recalls

1

83V134000 · Seat Belts:front:anchorage

Dec 20, 1983

THE BOLTS THAT ATTACH THE D-SHAPED RING FOR THE SHOULDER BELT ARE INADEQUATELY SUPPORTED BY THE MATERIAL IN WHICH THEY ARE MOUNTED. THE ATTACHMENT DOES NOT COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES".

Consequence & remedy

Consequence: Not supplied

Remedy: DEALERS WILL INSTALL NEW ATTACHING HARDWARE TO IMPROVE THE STRENGTH OF THE MOUNTING.

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

1

PE91125 · Brake Line Punctures

Opened Sep 11, 1991 · Closed Jan 15, 1992

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

There is no summary currently available