1984 Mercury MARQUIS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
7 owner complaints analyzed
1 distinct recall campaigns
112,160 mi median reported failure mileage
Scope: 1984 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System:Ignition:Switch is the most frequently named component, appearing in 3 of 7 complaints (42.9%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 14.3% |
| Fuel system concerns | 1 | 14.3% |
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 | 3 |
| Fuel System, Other | 2 |
| Power Train:Automatic Transmission | 2 |
| Structure:Body | 2 |
| Equipment | 1 |
| Fuel System, Gasoline:Storage:Tank Assembly | 1 |
| Power Train:Automatic Transmission:Park/Neutral Start Interlock Switch | 1 |
Electrical System:Ignition:Switch: 3; Fuel System, Other: 2; Power Train:Automatic Transmission: 2; Structure:Body: 2; Equipment: 1; Fuel System, Gasoline:Storage:Tank Assembly: 1; Power Train:Automatic Transmission:Park/Neutral Start Interlock Switch: 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 | 1 |
| 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: 1; 150,000 and above: 0
100,000 to 149,999 miles has the most reports with usable mileage (1). 6 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 | 2 |
| 1996 | 3 |
| 2000 | 1 |
| 2003 | 1 |
1995: 2; 1996: 3; 2000: 1; 2003: 1
Pattern summary
Electrical System:Ignition:Switch leads the component reports. Electrical and battery issues appears in 1 complaint narratives. Fuel system concerns 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 730414 · 2000-09-06 (September 6, 2000)
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.
Owner-reported narrative. Look up ODI 730414 at NHTSA ↗
Owner report 958974 · 1995-01-20 (January 20, 1995)
GAS TANK HAS TO BE REPLACED BECAUSE OF EXCESSIVE LEAKAGE. TT
Owner-reported narrative. Look up ODI 958974 at NHTSA ↗