MYRModel Year Report

1991 Isuzu Trooper

● Typical for this model
1991 Isuzu Trooper
RENDERED 2026-11-01T12:50:21.655Z

This year's complaint volume is within 30% of this model's typical year.

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.

How is this computed?

Complaints
58
Recalls
3

Campaigns on file for 1991

Investigations
5

Opened by NHTSA

Top problem
Engine and engine cooling

24% of complaints

Complaints per year

1985: 3 complaints 1985 1986: 18 complaints 1987: 6 complaints 1988: 17 complaints 1988 1989: 16 complaints 1990: 23 complaints 1991: 58 complaints 1991 58 1992: 25 complaints 1993: 33 complaints 1994: 47 complaints 1994 1995: 54 complaints 1996: 51 complaints 1997: 13 complaints 1997 1998: 42 complaints 1999: 81 complaints 2000: 49 complaints 2000 2001: 29 complaints 2002: 12 complaints
1985: 3 complaints 1985 1986: 18 complaints 1987: 6 complaints 1987 1988: 17 complaints 1989: 16 complaints 1989 1990: 23 complaints 1991: 58 complaints 1991 58 1992: 25 complaints 1993: 33 complaints 1993 1994: 47 complaints 1995: 54 complaints 1995 1996: 51 complaints 1997: 13 complaints 1997 1998: 42 complaints 1999: 81 complaints 1999 2000: 49 complaints 2001: 29 complaints 2001 2002: 12 complaints
1985: 3 complaints 1985 1986: 18 complaints 1986 1987: 6 complaints 1987 1988: 17 complaints 1988 1989: 16 complaints 1989 1990: 23 complaints 1990 1991: 58 complaints 1991 58 1992: 25 complaints 1992 1993: 33 complaints 1993 1994: 47 complaints 1994 1995: 54 complaints 1995 1996: 51 complaints 1996 1997: 13 complaints 1997 1998: 42 complaints 1998 1999: 81 complaints 1999 2000: 49 complaints 2000 2001: 29 complaints 2001 2002: 12 complaints 2002

1991: 58 complaints

View as data table
YearComplaints
19840
19853
198618
19876
198817
198916
199023
199158
199225
199333
199447
199554
199651
199713
199842
199981
200049
200129
200212

Known problem areas

Percentages can add to more than 100% — a complaint can name more than one system.

Engine and engine cooling

24% · 14 reports

Most commonly citing gasoline and engine.

FIRE
Show complaint excerpts

Vehicle's engine compartment caught on fire.*mr consumer was at a toll both when she noticed smoke coming from the engine compartment. She pull over into the employee parking lot and exited the vehicle with three other occupants.

NHTSA ODI report, 2003-11-20

Power train

22% · 13 reports

Most commonly citing automatic transmission and manual transmission.

CRASHFIRE
Show complaint excerpts

Transmission repaired 4 times, vehicle caught on fire due to overflow of transmission fluid.

NHTSA ODI report, 1996-03-14

Transmission fluid expulsion resulted in fire.

NHTSA ODI report, 1994-10-14

There was a recall regarding the automatic transmission, however consumer was informed vehicle was not included due to the vehicle identification number.

NHTSA ODI report, 2003-02-10

Wheels

14% · 8 reports

Most commonly citing lugs/nuts/bolts/studs and multi piece.

Electrical system

12% · 7 reports

Most commonly citing wiring and front underhood.

FIREINJURY
Show complaint excerpts

Transmission harness wires shorted, causing fire.

NHTSA ODI report, 1996-02-22

Vehicle speed control

10% · 6 reports

Most commonly citing accelerator pedal and cables.

Show complaint excerpts

Tl* the contact owns a 1991 Isuzu Trooper. The contact stated that the accelerator cable was stuck which caused the accelerator pedal not to release. The failure was progressing more frequently.

NHTSA ODI report, 2015-02-12

Intermittently while driving between 50 to 60 MPH and shifting from lower to higher lever gear vehicle experience sudden acceleration.

NHTSA ODI report, 2004-05-04

Safety timeline

3 recalls · 5 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

  1. R
    1990-10-15Engine and engine cooling90V166000 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.

    Check if this car was fixed →

  2. R
    1990-10-15Power train90V167000 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.

    Check if this car was fixed →

  3. I
    1991-02-19Preliminary evaluationClosed 1991-07-15 Rear door hinge separation
  4. I
    1991-07-15Engineering analysisClosed 1992-07-28 Rear door hinge separation
  5. I
    1992-03-03Defect petitionClosed 1992-06-02 Defective heater cores
  6. I
    1992-06-02Engineering analysisClosed 1993-04-02 Heater core failure
  7. I
    1992-07-30Defect petitionClosed 1992-11-25 Engine compartment fires
  8. R
    1993-07-22Trailer hitches93E023000 The weld on the receiver unit of the trailer hitch can break.

    Remedy: Replace the trailer hitch.

    Check if this car was fixed →

Buy-smart checklist

1991 Isuzu Trooper — pre-purchase inspection

Inspect

  • Engine and engine cooling: 14 reports on file for this year.
  • Power train: 13 reports on file for this year.
  • Wheels: 8 reports on file for this year.

Verify these recalls were completed

  • Recall 90V166000 · Engine and engine cooling
  • Recall 90V167000 · Power train
  • Recall 93E023000 · Trailer hitches
Inspected by ______________ Date ______________

Other years of this model

See all years ranked →

Best years1 year

Worst years1 year

FAQ

Is the 1991 Isuzu Trooper reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 1991 Isuzu Trooper is rated "typical".
What are the most common problems with the 1991 Isuzu Trooper?
The most-reported component is engine and engine cooling, accounting for 24% of complaints on file.
How many recalls does the 1991 Isuzu Trooper have?
3 recalls on file for this model year.

Data updated 2026-10-20 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.