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Engine coolingPart report

1991 Isuzu Trooper Engine cooling Problems

Complaints
13about this part
Share
23%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 13 complaints about the engine cooling of the 1991 Isuzu Trooper, 23% of the 57 complaints for this model year. 8 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.

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 Trooper had an oil leak and the engine went on fire. My car is totaled. I have been researching and see a problem with this model and year. Help! I want Isuzu to pay for my lose even if I was the second owner or bob ciasulli used cars for selling me this car which had a recall on and put myself and my 5 year old son in danger.”

NHTSA complaint #720987, filed 2000-04

“Vehicle's engine compartment caught on fire. 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. The fire was extinguished by the fire department. There were no injuries.”

NHTSA complaint #10047781, filed 2003-11

“Consumer states that there is a general recall on the engine cooling system. She contacted the manufacturer and was informed that the truck was not included under the recall . Owner thinks that vehicle should have been included in the recall.”

NHTSA complaint #816835, filed 1998-02

“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 1996-05

Related recalls

Engine cooling: other model years

YearComplaintsShare of year
2002433%
2001828%
20002347%
19995669%
19981945%
1997215%
1996816%
1995713%
19941226%
1993721%
1992832%
19911323%
1990626%
1989425%
1988424%
1987117%
1986211%

Other parts of the 1991 Isuzu Trooper

Transmission and drivetrain
12 complaints
Wheels
8 complaints
Electrical system
7 complaints
Fuel system
6 complaints
Vehicle speed control
5 complaints
Tires
4 complaints
Brakes
3 complaints
Exterior lighting
2 complaints
Seat belts
2 complaints
Body and structure
2 complaints
Suspension
2 complaints
Other 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 27, 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