1991 Ford Mustang problems
Owners have filed 98 complaints with NHTSA about the 1991 Ford Mustang. Electrical system is the most reported problem area, at 39% of complaints. Next are air bags (7%) and brakes (7%).
At a glance
- Complaints
- 98 filed with NHTSA
- Most reported
- Electrical system 39% of complaints
- Crashes and fires
- 5 and 27
- Injuries and deaths
- 3 and 0
- Typical mileage
- 124,000 miles 19 complaints with mileage
Source: NHTSA owner complaints
Where the complaints are
Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.
When problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 0 |
| 20k to 40k miles | 0 |
| 40k to 60k miles | 1 |
| 60k to 80k miles | 6 |
| 80k to 100k miles | 1 |
| 100k to 120k miles | 1 |
| 120k to 140k miles | 6 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 2 |
| 180k to 200k miles | 0 |
| 200k+ miles | 2 |
What the data shows
Of the 19 complaints that include odometer readings, half describe a problem before roughly 124,000 miles.
Safety-related details: 5 complaints mention a crash; 27 complaints mention a fire; 3 injuries reported. Its complaints are more severe on average than those of 95% of model years in our database.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 1991 ranks 32nd most-complained-about out of 36 model years of the Ford Mustang with enough data (39 complaints in that window). It is also covered by 2 safety recall campaigns.
What owners wrote
A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.
1991 mustang LX 5.0 sudden acceleration accident. 1991 mustang LX 5.0 making left turn from stop sign in residential neighborhood when engine on its own went full throttle causing driver to lose control and leave roadway where it continued under full throttle through tree branches and bushes, a 6 foot wrought iron style fence over a retaining wall at which point it briefly became airborne landing on a pool deck then continuing at full throttle onto the subdivision swimming pool tarp until the front end crashed…
Left vehicle to warm up heard horn blow vehicle had burst into flames. Diagnosis: loose connection in ignition switch. Tt
An electrical short caused the vehicle to catch on fire under the hood, while vehicle was parked. Please describe.
Had smoke coming out from under dash. Lost radio, and tail lights wires from light switch to tail light melted. Not sure if from faulty ignition switch. Would like more info.
Tl* the contact owns a 1991 ford mustang. The contact stated that the independent mechanic notified him that the ignition switch had caught on fire, after the vehicle was parked and repairs were completed to the vehicle. The contact stated that the independent mechanic had replaced the fuel pump, fuel injector, air flow, and roller rockers prior to the fire. The contact stated that the fire was extinguished by the mechanic using a fire extinguisher.