1984 Mercury GRAND MARQUIS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
9 owner complaints analyzed
1 distinct recall campaigns
Not available median reported failure mileage
Scope: 1984 model year. Data snapshot: . 0 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 2 of 9 complaints (22.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 1 | 11.1% |
| Electrical and battery issues | 1 | 11.1% |
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 | 2 |
| Electrical System:Wiring:Front Underhood | 2 |
| Engine And Engine Cooling:Exhaust System:Emission Control:Gas Recirculation Valve (Egr Valve) | 2 |
| Structure:Body | 2 |
| Engine And Engine Cooling:Engine:Gasoline | 1 |
| Engine And Engine Cooling:Exhaust System | 1 |
| Fuel System, Gasoline:Storage:Tank Assembly | 1 |
| Unknown Or Other | 1 |
Electrical System:Ignition:Switch: 2; Electrical System:Wiring:Front Underhood: 2; Engine And Engine Cooling:Exhaust System:Emission Control:Gas Recirculation Valve (Egr Valve): 2; Structure:Body: 2; Engine And Engine Cooling:Engine:Gasoline: 1; Engine And Engine Cooling:Exhaust System: 1; Fuel System, Gasoline:Storage:Tank Assembly: 1; Unknown Or Other: 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. 9 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 | 5 |
| 2000 | 1 |
1995: 3; 1996: 5; 2000: 1
Pattern summary
Electrical System:Ignition:Switch leads the component reports. Engine operation appears in 1 complaint narratives. Electrical and battery issues 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 486389 · 1995-05-09 (May 9, 1995)
ENGINE STALLS/HESITATES/ROUGH IDLE DUE TO EGR VALVE FAILURE (OTHER VEHICLE ON 479693). *AK
Owner-reported narrative. Look up ODI 486389 at NHTSA ↗
Owner report 502774 · 1996-03-28 (March 28, 1996)
DASHBOARD VINYL CRACKED, DETERIORATED AND DISINTEGRATED, FALLING INTO SPEAKER OPENINGS, CREATING POTENTIAL FOR ELECTRICAL SHORT.
Owner-reported narrative. Look up ODI 502774 at NHTSA ↗