1991 Mitsubishi Mighty MAX: common problems
Owners of the 1991 Mitsubishi Mighty MAX filed 10 complaints with NHTSA, most often about electrical system and seat belts. Details by component below, with sources.
Key figures
- Owner complaints
- 10
What fails most often
- 1 Electrical system 40% of all complaints
- 2 Seat belts 30% of all complaints
- 3 Tires 20% of all complaints
- 4 Powertrain 10% of all complaints
- 5 Vehicle speed control 10% of all complaints
- Electrical system: 4 complaints (40% of all).
- Seat belts: 3 complaints (30% of all).
- Tires: 2 complaints (20% of all).
- Powertrain: 1 complaints (10% of all).
- Vehicle speed control: 1 complaints (10% of all).
Symptoms owners describe
How many of the 10 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 | 4 | 0 | 0 |
| Seat belts | 3 | 0 | 0 |
| Tires | 2 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
| Vehicle speed control | 1 | 0 | 0 |
| Other | 2 | 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.
The contact stated while the vehicle was parked, the driver's side front seat belt was latched; however, the front driver's seat belt buckle failed to latch as intended. The contact received notification of NHTSA Campaign Number: 95V103004 (Seat Belts).
Tire treads are separating/cracking in between the treads. Not a failure yet, but I don't think this is normal or safe, and just want it to be known in case others are having the same problem.
Clutch will easily break. In november of 1999 clutch broke , and in april 2001 clutch broke again. Dealer was no longer willing to repair clutch.
Vehicle stalled, check engine light came on. Dealer found computer module needed to be replaced. Idle speed control failed, electrical engine control module unable to control, it burned itself up.
Consumer was traveling about 35mph and heard a loud noise, like a bomb, and thumping noise. It was the tire, tread separated.
When driving below or above 55 mph the vehicle will intermittently hesitate. This problem is due to a malfunction within the computer system. Please give any further details.
Engine check light illuminates, indicating malfunction within the system . Dealer stated that this defect along with other problems are caused by a defect within the computer system. Please give any further details.
Seat belt buckles recall did not correct to problem, belt does not recoil.
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 10,921 of 36,659 model years in the NHTSA data (top 30% most complained about).
On average one model year of the Mighty MAX has 6 complaints (10 years in the data). This year has 10, above average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
- Tires. Tire age by DOT code, bulges, wear pattern.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Other years of this model
Questions and answers
What are the most common problems with the 1991 Mitsubishi Mighty MAX?
Owner complaints to NHTSA most often mention: electrical system, seat belts, tires. Total complaints: 10. The most frequent symptoms in complaint texts: seat belts (30%), hesitation when accelerating (10%), knocking, grinding or other noise (10%).
How many service bulletins (TSB) were issued for the 1991 Mitsubishi Mighty MAX?
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 1991 Mitsubishi Mighty MAX 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 1991 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 2026-11-06.