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1986 Mercury Grand MarquisProblems, recalls & complaints

NHTSA has logged 21 owner complaints about the 1986 Mercury Grand Marquis, most often about the electrical system. It is covered by 1 safety recall.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Free fix at dealersOwner complaints2111 with a crash, fire or injuryTop problem11Electrical system

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 18, 2004. Updated daily.

Complaints by system

Where the 1986 Mercury Grand Marquis has problems

21 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system118
Engine and engine cooling42
Service brakes, hydraulic21
Structure10
Tires10
Vehicle speed control10
Power train10
Steering11

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

1986 Mercury Grand Marquis recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Delivery: hoses, lines/piping, and fittings

Recall 87V-139 · Sep 4, 1987 · 3,600,000 vehicles

Risk. COUPLING COULD DISENGAGE DUE TO FUEL PRESSURE,VIBRATION, AND ENGINE MOVEMENTS; THIS WOULD CAUSE LOSS OF FUEL WHICH, INPRESENCE OF AN IGNITION SOURCE, CREATES A…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercury.

Best & worst years

1986 vs. every other Grand Marquis year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Grand Marquis median. How we score

'83'84'85'86'87'88'89'90'91'92'93'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
2 investigations

NHTSA defect investigations

Federal investigations that included the 1986 Mercury Grand Marquis, and the recalls they led to.

  1. FIRESPE87055 · closed Mar 10, 1988
    No recall
  2. BRAKE LINE PUNCTURESPE91125 · closed Jan 15, 1992
    No recall
In owners' words

What Grand Marquis owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

VEHICLE VIBRATES ON RIGHT FRONT END WHEN BRAKES ARE APPLIED. WHEN BRAKES ARE LET GO, FEELS LIKE THEY ARE GRABBING. HAD STOPPED VEHICLE TO CHECK & NOTICED SMOKE FROM TIRES & THEN FLAMES SHOT OUT. HAD VEHICLE TOWED TO MECHANIC & WAS INFORMED THAT IT WAS THE ELECTRICAL WIRING HARNESS. *AK
Complaint 837524 · Jun 8, 1999
WHILE PARKED, AN ELECTRICAL SHORT IN THE IGNITION SWITCH, CAUSED THE WIRING IN DASH AREA TO SHORT OUT, RESULTING IN A VEHICLE FIRE. *AK
Complaint 809949 · Mar 13, 1997

Own a 1986 Grand Marquis?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.