1990 Mercury Marquis: common problems
Owners of the 1990 Mercury Marquis filed 6 complaints with NHTSA, most often about electrical system and fuel system. Details by component below, with sources.
Key figures
- Owner complaints
- 6
- involving a crash
- 2
What fails most often
- 1 Electrical system 33% of all complaints
- 2 Fuel system 33% of all complaints
- 3 Air bags 17% of all complaints
- 4 Engine and cooling 17% of all complaints
- 5 Vehicle speed control 17% of all complaints
- Electrical system: 2 complaints (33% of all).
- Fuel system: 2 complaints (33% of all).
- Air bags: 1 complaints (17% of all), 1 of them with a crash reported by the owner.
- Engine and cooling: 1 complaints (17% of all).
- Vehicle speed control: 1 complaints (17% of all), 1 of them with a crash reported by the owner.
Symptoms owners describe
How many of the 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 2 | 0 | 0 |
| Fuel system | 2 | 0 | 0 |
| Air bags | 1 | 1 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Vehicle speed control | 1 | 1 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Frontal collision impact 12:00, position speed 55 mph, driver side airbag did not deploy.
Put vehicle in reverse and it accelerated about 100 mph and ran into a house
While driving could see smoke coming from the trunk and the vehicle will shut off in the middle of the road. After checking with technician it was established that it was an electrical system problem. Wiring in trunk to gas shut off switch and wiring into bulk head to fuel pump burst into flames and burned.
Location of fuel line results in interference also develops burning smell. Tt
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 13,278 of 36,656 model years in the NHTSA data (top 36% most complained about).
On average one model year of the Marquis has 16 complaints (25 years in the data). This year has 6, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Other years of this model
- Marquis 198410 sources
- Marquis 19855 sources
- Marquis 19864 sources
- Marquis 19874 sources
- Marquis 19889 sources
- Marquis 198910 sources
- Marquis 19919 sources
- Marquis 199224 sources
- Marquis 199323 sources
- Marquis 199430 sources
- Marquis 199520 sources
- Marquis 199631 sources
- Marquis 199753 sources
- Marquis 199829 sources
- Marquis 199924 sources
- Marquis 200023 sources
- Marquis 200126 sources
- Marquis 200211 sources
- Marquis 200333 sources
- Marquis 200412 sources
Questions and answers
What are the most common problems with the 1990 Mercury Marquis?
Owner complaints to NHTSA most often mention: electrical system, fuel system, air bags. Total complaints: 6. The most frequent symptoms in complaint texts: smoke, burning smell, fire (67%), fuel system, fuel smell (33%), airbags did not deploy (17%).
How many service bulletins (TSB) were issued for the 1990 Mercury Marquis?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1990 Mercury Marquis from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1990 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.