1986 Mercury GRAND MARQUIS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
14 owner complaints analyzed
1 distinct recall campaigns
Not available median reported failure mileage
Scope: 1986 model year. Data snapshot: . 0 complaints include usable failure mileage.
Most common problems
Electrical System:Ignition:Switch is the most frequently named component, appearing in 5 of 14 complaints (35.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 7.1% |
| Engine operation | 1 | 7.1% |
| Braking behavior | 1 | 7.1% |
| Electrical and battery issues | 1 | 7.1% |
| Steering behavior | 1 | 7.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System:Ignition:Switch | 5 |
| Electrical System:Ignition | 2 |
| Engine And Engine Cooling:Engine:Gasoline | 2 |
| Power Train:Automatic Transmission:Lever And Linkage:Column Shift | 1 |
| Service Brakes, Hydraulic:Foundation Components:Disc:Caliper | 1 |
| Steering: Steering Wheel/Handle Bar | 1 |
| Tires | 1 |
| Vehicle Speed Control | 1 |
Electrical System:Ignition:Switch: 5; Electrical System:Ignition: 2; Engine And Engine Cooling:Engine:Gasoline: 2; Power Train:Automatic Transmission:Lever And Linkage:Column Shift: 1; Service Brakes, Hydraulic:Foundation Components:Disc:Caliper: 1; Steering: Steering Wheel/Handle Bar: 1; Tires: 1; Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 14 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 1995 | 3 |
| 1996 | 9 |
| 2002 | 1 |
| 2004 | 1 |
1995: 3; 1996: 9; 2002: 1; 2004: 1
Pattern summary
Electrical System:Ignition:Switch leads the component reports. Transmission and shifting appears in 1 complaint narratives. Engine operation appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10062544 · 2004-03-18 (March 18, 2004)
MY 1986 MERCURY GRAND MARQUIS GOES FORWARD WHEN PUTTING THE TRANSMISSION INTO REVERSE. THERE HAVE BEEN MANY CLOSE CALLS WHEN SOMEONE WHO DOES NOT KNOW MY CAR TRIES TO DRIVE IT (CAR WASH PEOPLE, MECHANICS, RELATIVES, ETC.). I BELIEVE THE LINKAGE GOING TO MY DASHBOARD IS NOT WORKING CORRECTLY.*AK
Owner-reported narrative. Look up ODI 10062544 at NHTSA ↗
Owner report 970470 · 1995-08-15 (August 15, 1995)
SOMETIME WHEN STOPPED AT A STOP SIGN CAR STALLED . TT
Owner-reported narrative. Look up ODI 970470 at NHTSA ↗
Owner report 974514 · 1995-11-03 (November 3, 1995)
FRONT BRAKE CALIPERS LOCK UP. RESULTING IN EXTENDED STOPPING DISTANCE. TT
Owner-reported narrative. Look up ODI 974514 at NHTSA ↗
Owner report 984048 · 1996-05-03 (May 3, 1996)
WHEN STARTING THE CAR A FIRE STARTED IN THE IGNITION SWITCH AND BURNED ALL THE WIRING IN THE CAR. PLEASE DESCRIBE. *AK
Owner-reported narrative. Look up ODI 984048 at NHTSA ↗
Owner report 980656 · 1996-03-13 (March 13, 1996)
OWNER HEARD (2) POPPING NOISES AND DROVE FIVE MINUTES. AFTER PARKING OVER NIGHT VEHICLE HAD BURNED UNTIL SMOLDERED W/STEERING COLUMN MELTED AND CRACKED WINDOW.
Owner-reported narrative. Look up ODI 980656 at NHTSA ↗