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1991 Isuzu Trooper Recalls, Complaints & Specs

2 safety recalls list the 1991 Isuzu Trooper, and owners have filed 57 complaints with NHTSA. Check your own VIN below.

2
safety recalls
57
owner complaints to NHTSA
5 / 15
complaints citing a crash / fire
15
MPG combined (EPA)

2 safety recalls for the 1991 Isuzu Trooper

Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.

  1. Hoses/lines/piping/fittings (engine and engine cooling)

    NHTSA 90V166000 Reported 12,222 vehicles potentially affected ISUZU MOTORS LIMITED

    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.

  2. Automatic transmission (power train)

    NHTSA 90V167000 Reported 17,048 vehicles potentially affected ISUZU MOTORS LIMITED

    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.

57 owner complaints filed with NHTSA

Owners of the 1991 Isuzu Trooper have filed 57 complaints with NHTSA; 5 describe a crash and 15 describe a fire. Reports cite 4 injuries and 3 deaths. The average mileage at failure in those reports is 135,000 miles. Complaints peaked in 1996 with 10 filed that year.

Most-reported components

What owners are reporting

“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. The c”

Owner complaint to NHTSA, February 12, 2015 · Vehicle speed control

“While applying the brake pedal consumer heard a loud squeaking noise and vehicle vibrated uncontrollably. Vehicle was taken to the dealer for inspection, and mechanic determined that the brake pads ne”

Owner complaint to NHTSA, November 19, 2004 · Service brakes, hydraulic

Fuel economy and specs

EPA ratings for the 1991 Isuzu Trooper. Ranges cover every tested configuration.

Combined15 mpg
City / Highway14–15 / 17
FuelRegular
EPA classSpecial Purpose Vehicles
Engine4/6 cyl, 2.6/2.8 L
TransmissionAutomatic 4-spd; Manual 5-spd

Compare Isuzu Trooper model years

Recall and complaint counts for every Isuzu Trooper model year in NHTSA's database.

Model yearRecallsComplaints
1984 Isuzu Trooper10
1985 Isuzu Trooper13
1986 Isuzu Trooper118
1987 Isuzu Trooper26
1988 Isuzu Trooper117
1989 Isuzu Trooper016
1990 Isuzu Trooper223
1991 Isuzu Trooper257
1992 Isuzu Trooper225
1993 Isuzu Trooper233
1994 Isuzu Trooper247
1995 Isuzu Trooper154
1996 Isuzu Trooper251
1997 Isuzu Trooper213
1998 Isuzu Trooper142
1999 Isuzu Trooper081
2000 Isuzu Trooper249
2001 Isuzu Trooper129
2002 Isuzu Trooper012

Checking a specific 1991 Isuzu Trooper

How do I know if my 1991 Isuzu Trooper has an open recall?

Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 2 campaigns currently list the 1991 Isuzu Trooper; your car may already have been repaired under some of them.

Is the recall repair free?

Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised Isuzu dealer with your VIN and the NHTSA campaign number (for example 90V166000).

What is the difference between a recall and a complaint?

A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.

Other Isuzu models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.