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1991 Isuzu Trooper

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1991 Isuzu Trooper do not stand out strongly from the model-year median of 25.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 57 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Wheels. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports15 fire reports3 injury reports

Vehicle Speed Control complaints

5 reports
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135,000 miles · Feb 12, 2015
Vehicle Speed Control

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 CONTACT STATED THAT THE ENGINE SPEED WOULD NOT IMMEDIATELY DECREASE UPON THE RELEASE OF THE ACCELERATOR PEDAL AND THE VEHICLE WAS P…

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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 CONTACT STATED THAT THE ENGINE SPEED WOULD NOT IMMEDIATELY DECREASE UPON THE RELEASE OF THE ACCELERATOR PEDAL AND THE VEHICLE WAS PULLED OVER TO ADJUST THE PEDAL; HOWEVER, THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V199000 (VEHICLE SPEED CONTROL). THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 135,000. UPDATED 5/29/15*CN

NHTSA ODI #10683039

Mileage unknown · Nov 19, 2004
Service Brakes, HydraulicVehicle 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 NEEDED TO BE REPLACED. ALSO, CONSUMER NOTICED THAT WHILE APPLYING THE ACCELERATOR PEDAL VEHICLE FAILED TO MOVE AND THE ACCELERATOR…

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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 NEEDED TO BE REPLACED. ALSO, CONSUMER NOTICED THAT WHILE APPLYING THE ACCELERATOR PEDAL VEHICLE FAILED TO MOVE AND THE ACCELERATOR PEDAL STUCK. *AK

NHTSA ODI #10101401

Mileage unknown · May 4, 2004
Vehicle Speed Control

INTERMITTENTLY WHILE DRIVING BETWEEN 50 TO 60 MPH AND SHIFTING FROM LOWER TO HIGHER LEVER GEAR VEHICLE EXPERIENCE SUDDEN ACCELERATION. *AK

NHTSA ODI #10072032

Mileage unknown · Jun 9, 1997
Vehicle Speed Control

CONSUMER WAS DRIVING 32--35 MPH WHEN ACCELERATOR CABLE RUBBER GUARD MELTED INTO THE CABLE, CAUSING THE GAS PEDAL TO BECOME STUCK. *AK

NHTSA ODI #812891

Mileage unknown · Mar 27, 1996
Vehicle Speed Control

RUBBER CABLE SHROUD NEAR CARBURETOR BECAME SOFT AND STICKY, CAUSING ACCELERATOR PEDAL TO REMAIN DEPRESSED. *SD

NHTSA ODI #502670

Official recalls

2

90V166000 · Engine And Engine Cooling:cooling System:hoses/lines/piping/fittings

Sep 20, 1990

IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.

Consequence & remedy

Consequence: ENGINE OIL COULD LEAK OUT WITH POTENTIAL FOR ENGINESEIZURE AND DAMAGE AND COULD RESULT IN A FIRE.

Remedy: PROPERLY INSTALL COOLER HOSE CLIP TO PREVENT CONTACT WITH EXHAUST MANIFOLD.

90V167000 · Power Train:automatic Transmission

Sep 20, 1990

PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.

Consequence & remedy

Consequence: THIS COULD CAUSE SMOKE EMISSION FROM THE MANIFOLD, WHICHCOULD IGNITE RUBBER HOSES AND RESULT IN A FIRE.

Remedy: REPLACE OIL LEVEL GAUGE AND NOTIFY OWNERS TO USE ONLY THE SPECIFIED AMOUNT OF AUTOMATIC TRANSMISSION FLUID.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

5

DP92015 · Engine Compartment Fires

Opened Jul 30, 1992 · Closed Nov 25, 1992

Status: closed (inferred from source dates) · Engine And Engine Cooling

ENGINE COMPARTMENT FIRES

EA92018 · Heater Core Failure

Opened Jun 2, 1992 · Closed Apr 2, 1993

Status: closed (inferred from source dates) · Visibility:defroster/defogger/hvac System

There is no summary currently available

DP92005 · Defective Heater Cores

Opened Mar 3, 1992 · Closed Jun 2, 1992

Status: closed (inferred from source dates) · Visibility:defroster/defogger/hvac System

DEFECTIVE HEATER CORES

EA91033 · Rear Door Hinge Separation

Opened Jul 15, 1991 · Closed Jul 28, 1992

Status: closed (inferred from source dates) · Structure

There is no summary currently available

PE91046 · Rear Door Hinge Separation

Opened Feb 19, 1991 · Closed Jul 15, 1991

Status: closed (inferred from source dates) · Structure

There is no summary currently available