AI Damage1990 Isuzu Trooper II: common problems
Owners of the 1990 Isuzu Trooper II filed 3 complaints with NHTSA, most often about engine and cooling and powertrain. Details by component below, with sources.
Key figures
- Owner complaints
- 3
- involving a crash
- 2
What fails most often
- 1 Engine and cooling 33% of all complaints
- 2 Powertrain 33% of all complaints
- 3 Tires 33% of all complaints
- Engine and cooling: 1 complaints (33% of all).
- Powertrain: 1 complaints (33% of all), 1 of them with a crash reported by the owner.
- Tires: 1 complaints (33% of all), 1 of them with a crash reported by the owner.
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 1 | 0 | 0 |
| Powertrain | 1 | 1 | 0 |
| Tires | 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.
Blow out of a firestone atx p235/75r15 that was purchased new in a set of replacement tires. The tire was installed on a 1990 isuzu trooper.
Child took the vehicle out of park without the key being in the ignition, resulting in a rollaway.
Manifold burned a hole through oil cooler hose, causing oil to leak out of engine while driving on highway.
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 17,150 of 36,656 model years in the NHTSA data (top 47% most complained about).
On average one model year of the Trooper II has 4 complaints (7 years in the data). This year has 3, below average.
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Tires. Tire age by DOT code, bulges, wear pattern.
Other years of this model
Questions and answers
What are the most common problems with the 1990 Isuzu Trooper II?
Owner complaints to NHTSA most often mention: engine and cooling, powertrain, tires. Total complaints: 3.
How many service bulletins (TSB) were issued for the 1990 Isuzu Trooper II?
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 Isuzu Trooper II 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.