1990 Isuzu Trooper
Only 23 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 23 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1984 | 0 |
| 1985 | 3 |
| 1986 | 18 |
| 1987 | 6 |
| 1988 | 17 |
| 1989 | 16 |
| 1990 | 23 |
| 1991 | 57 |
| 1992 | 25 |
| 1993 | 33 |
| 1994 | 47 |
| 1995 | 54 |
| 1996 | 51 |
| 1997 | 13 |
| 1998 | 42 |
| 1999 | 81 |
| 2000 | 49 |
| 2001 | 29 |
| 2002 | 12 |
KNOWN PROBLEM AREAS
Only 23 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
3 of 23 total reports mention: power train.
FIRE2 of 23 total reports mention: engine and engine cooling.
FIREShow complaint excerpts
ENGINE COMPARTMENT FIRE.
NHTSA ODI report, 19960909
2 of 23 total reports mention: engine and engine cooling.
1 of 23 total reports mentions: vehicle speed control.
Show complaint excerpts
MY 1990 ISUZU TROOPER IS EXHIBITING DANGEROUS REVVING AND DROPPING OF THE IDLE. THE TRUCK ACCELERATES WITHOUT WARNING AND IS IMPOSSIBLE NOW TO DRIVE SAFELY. IT IS MY UNDERSTANDING THAT THE ECU IN THESE TRUCKS IS FAULTY DUE TO MANUFACTURING DEFECTS.
NHTSA ODI report, 20030511
1 of 23 total reports mentions: tires.
Show complaint excerpts
REAR PASSENGER SIDE TIRE TREAD STARTED TO SEPARATE, CAUSING THE CONSUMER HAD TO PULL OVER. SEARS, TRAIL HANDLER, SIZE#P235/75/R15, DOT#3DHLLBE488. *AK
NHTSA ODI report, 20030721
SAFETY TIMELINE
DIESEL ENGINE SURGE
IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.
Remedy: PROPERLY INSTALL COOLER HOSE CLIP TO PREVENT CONTACT WITH EXHAUST MANIFOLD.
Campaign 90V166000 — check if this car was fixed
PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.
Remedy: REPLACE OIL LEVEL GAUGE AND NOTIFY OWNERS TO USE ONLY THE SPECIFIED AMOUNT OF AUTOMATIC TRANSMISSION FLUID.
Campaign 90V167000 — check if this car was fixed
REAR DOOR HINGE SEPARATION
REAR DOOR HINGE SEPARATION
DEFECTIVE HEATER CORES
HEATER CORE FAILURE
ENGINE COMPARTMENT FIRES
THE WELD ON THE RECEIVER UNIT OF THE TRAILER HITCH CAN BREAK.
Remedy: REPLACE THE TRAILER HITCH.
Campaign 93E023000 — check if this car was fixed
BUY-SMART CHECKLIST
1990 Isuzu Trooper — pre-purchase inspection
- Test/inspect for power train issues (3 reports on file for this year).
- Test/inspect for engine and engine cooling issues (2 reports on file for this year).
- Test/inspect for engine and engine cooling issues (2 reports on file for this year).
- Verify recall 90V166000 (engine and engine cooling) has been completed.
- Verify recall 90V167000 (power train) has been completed.
- Verify recall 93E023000 (trailer hitches) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 1990 Isuzu Trooper reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 1990 Isuzu Trooper?
The most-reported component is power train:automatic transmission, accounting for 13% of complaints on file.
How many recalls does the 1990 Isuzu Trooper have?
3 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.