1991 Isuzu Trooper Fuel system Problems
- Complaints
- 6about this part
- Share
- 11%of 57 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the fuel system of the 1991 Isuzu Trooper, 11% of the 57 complaints for this model year. 2 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The transmission has been shifting rough since the vehicle was purchased new in 1991. The first incident was covered under warranty and some minor repairs/adjustments were made by the dealer. The second incident required more extensive repairs to the transmission and I was required to pay a portion of the repairs since the warranty had expired by some 2-3k miles. Upon the third incident with the drive train, I requested someone from the manufacturer to investigate. They requested that I keep a log for about two weeks of the conditions occurring while driving. …”
NHTSA complaint #711963, filed 1999-09“The fuel oil pump wires were exposed to the elements of rain/snow and other inclement weather conditions which caused the fuel pump to short out. Please describe details.”
NHTSA complaint #806772, filed 1996-12“Under hood fire, cause unknown. Consumer states there was no collsion, no warning, lights on the panel were activated and there was no sudden acceleration.deceleration noticed, no noises, consumer was at stop light and noticed black smok from the engine and he promptly turned off engine and released the hood, consumer observed the fire in its entirety, starting from the engine moving to the back of the vehicle prior to incident consumer had numerous problems right rear bumper, brake lights were not working fuses had to be replaced, rear arm rest, entire hydralic system needed to be replaced…”
NHTSA complaint #985059, filed 1996-05Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2001 | 4 | 14% |
| 2000 | 5 | 10% |
| 1999 | 4 | 5% |
| 1998 | 2 | 5% |
| 1997 | 2 | 15% |
| 1996 | 3 | 6% |
| 1995 | 3 | 6% |
| 1994 | 2 | 4% |
| 1993 | 1 | 3% |
| 1991 | 6 | 11% |
| 1990 | 2 | 9% |
| 1989 | 1 | 6% |
| 1988 | 2 | 12% |
| 1987 | 1 | 17% |
Other parts of the 1991 Isuzu Trooper
13 complaintsTransmission and drivetrain
12 complaintsWheels
8 complaintsElectrical system
7 complaintsVehicle speed control
5 complaintsTires
4 complaintsBrakes
3 complaintsExterior lighting
2 complaintsSeat belts
2 complaintsBody and structure
2 complaintsSuspension
2 complaintsOther or unknown
1 complaints
← All problems reported for the 1991 Isuzu Trooper
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology