1990 Mercury Topaz: common problems
Owners of the 1990 Mercury Topaz filed 48 complaints with NHTSA, most often about electrical system and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 48
- involving a crash
- 3
What fails most often
- 1 Electrical system 44% of all complaints
- 2 Engine and cooling 13% of all complaints
- 3 Service brakes 13% of all complaints
- 4 Vehicle speed control 13% of all complaints
- 5 Steering 8% of all complaints
- 6 Exterior lighting 6% of all complaints
- 7 Seat belts 6% of all complaints
- 8 Fuel system 4% of all complaints
- Electrical system: 21 complaints (44% of all).
- Engine and cooling: 6 complaints (13% of all).
- Service brakes: 6 complaints (13% of all).
- Vehicle speed control: 6 complaints (13% of all).
- Steering: 4 complaints (8% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.3 L · petrol · 4 cyl
- automatic, 3-speed
- manual, 5-speed
Drive: FWD, AWD
Symptoms owners describe
How many of the 48 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 | 21 | 0 | 0 |
| Engine and cooling | 6 | 0 | 0 |
| Service brakes | 6 | 0 | 0 |
| Vehicle speed control | 6 | 0 | 0 |
| Steering | 4 | 0 | 0 |
| Exterior lighting | 3 | 0 | 0 |
| Seat belts | 3 | 1 | 0 |
| Fuel system | 2 | 0 | 0 |
| Suspension | 2 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
| Seats | 1 | 1 | 0 |
| Tires | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Owner states that she was involved in a crash while traveling at 15-25mph and front automatic seat belts did not hold/latch. Also, dealer stated that safety catch was defective.
While driving vehicle the right front passenger's lugs/nuts came off, causing a crash.
Upon rear end collision, right passenger seat back collapsed due to seat lever failing. Please describe details. Tt
Vehicle stalled 7 times at various speeds. Vehicle was taken to dealer 5 times, ignition module was replaced twice, multi-function switch once ,and starter once.
Headlight covers made of plastic became yellow, and makes night driving difficult. Please provide any further information.
The vehicle's tpi module is defective and is causing the vehicle to stall intermittently, consumer request that the manufacturer replace this component at their expense. Nlm
Vehicle caught on fire. Fire started in the steering column. Vehicle experienced the same problem as manufacturer's recall 7774/ignition switch. Ford advised consumer that this vehicle was not part of the recall.
Idles to fast ,beyond high idle ,uncontrolable speed while driving
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 5,450 of 36,656 model years in the NHTSA data (top 15% most complained about).
On average one model year of the Topaz has 28 complaints (14 years in the data). This year has 48, above average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
Other years of this model
Questions and answers
What are the most common problems with the 1990 Mercury Topaz?
Owner complaints to NHTSA most often mention: electrical system, engine and cooling, service brakes. Total complaints: 48. The most frequent symptoms in complaint texts: smoke, burning smell, fire (29%), stalls while driving (10%), brake failure (4%).
How many service bulletins (TSB) were issued for the 1990 Mercury Topaz?
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 Topaz 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.