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1999 Isuzu Trooper

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1999 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

45 reports with mileage · 36 unknown

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 56 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 7 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 reports1 fire reports2 injury reports

Vehicle Speed Control complaints

7 reports
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160,500 miles · Mar 21, 2016
EngineFuel/propulsion SystemVehicle Speed Control

LAST 3 WEEKS - INITIALLY SEEMED LIKE POWER LOSS/SURGE, THEN HEARD UNUSUAL SOUND COMING FROM ENGINE COMPARTMENT 1 WEEK AGO, ENGINE STARTED TO DIE WHILE OPERATING ON CITY/RESIDENTIAL STREETS WHENEVER NOT PUSHING GAS (SLOWING TO TURN OR STOP) FRIDAY, WOULD NOT EVEN HOLD IDLE TO START, PUSHED GAS AND HELD RPM'S AT 1 - 1.5 FOR …

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LAST 3 WEEKS - INITIALLY SEEMED LIKE POWER LOSS/SURGE, THEN HEARD UNUSUAL SOUND COMING FROM ENGINE COMPARTMENT 1 WEEK AGO, ENGINE STARTED TO DIE WHILE OPERATING ON CITY/RESIDENTIAL STREETS WHENEVER NOT PUSHING GAS (SLOWING TO TURN OR STOP) FRIDAY, WOULD NOT EVEN HOLD IDLE TO START, PUSHED GAS AND HELD RPM'S AT 1 - 1.5 FOR A WHILE AND FINALLY STARTED. TODAY, INITIALLY WOULD NOT START. NEXT TIME STARTED RPM'S AT OVER 2, DROPPED WHEN SHIFTED TO REVERSE, WHEN SHIFTED TO DRIVE VEHICLE ACCELERATED WITHOUT USE OF GAS PEDAL UP TO STEADY 35 MPH ON CITY STREET. AFTER 1 MILE, AT NEXT INTERSECTION STARTED MAKING THAT STRANGE NOISE IN ENGINE COMPARTMENT (LIKE AIR OR FLUID UNDER PRESSURE IE AIR COMPRESSOR/HIGH PRESSURE WATER SOUND) WHILE PRESSING BRAKE SHIFTED INTO NEUTRAL RPM'S REVVED TO 2.5, IN DRIVE AND REVERSE DROPPED TO 1.5, IN PARK REVVED TO 2.5, AFTER TURN AUTOMOBILE ACCELERATED TO STEADY 40 MPH ON CITY STREET WITHOUT GAS BEING PUSHED AT NEXT STOP (1 MILE) RETURNED TO NORMAL IDLE AND OPERATION. HAS PROBLEM BOTH WHEN COLD AND HOT WEATHER AND COLD OR HOT START. IT HAS NOT PRODUCED A CHECK ENGINE LIGHT OR ANY CODES

NHTSA ODI #10850767

164,538 miles · Feb 13, 2016
Vehicle Speed Control

WHILE DRIVING IN TRAFFIC THE ACCELERATOR PEDAL BECAME HARD TO PRESS THEN ENGAGED AND UNABLE TO CONTROL SPEED. ALL THE WHILE FRANTICLY APPLYING THE BRAKE TRYING TO RELEASE THE ACCELERATOR, I HAD TO FORCE THE VEHICLE INTO GEAR [PARK] WHERE THE VEHICLE THEN REVVED INTO THE RED ZONE BEFORE PUTTING OFF. I THEN TRIED RESTARTING THE V…

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WHILE DRIVING IN TRAFFIC THE ACCELERATOR PEDAL BECAME HARD TO PRESS THEN ENGAGED AND UNABLE TO CONTROL SPEED. ALL THE WHILE FRANTICLY APPLYING THE BRAKE TRYING TO RELEASE THE ACCELERATOR, I HAD TO FORCE THE VEHICLE INTO GEAR [PARK] WHERE THE VEHICLE THEN REVVED INTO THE RED ZONE BEFORE PUTTING OFF. I THEN TRIED RESTARTING THE VEHICLE UP AND AGAIN THE ACCELERATOR REMAINED ENGAGED [STUCK] AND WOULD NOT RELEASE.

NHTSA ODI #10826011

164,538 miles · Feb 13, 2016
Vehicle Speed Control

WHILE DRIVING IN TRAFFIC THE ACCELERATOR PEDAL BECAME HARD TO PRESS THEN ENGAGED AND UNABLE TO CONTROL SPEED]. ALL THE WHILE FRANTICLY APPLYING THE BRAKE AN TRYING TO RELEASE THE ACCELERATOR, I HAD TO FORCE THE VEHICLE INTO GEAR [PARK] WHERE THE VEHICLE THEN REVVED INTO THE RED ZONE BEFORE CUTTING OFF. I THEN TRIED RESTARTING…

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WHILE DRIVING IN TRAFFIC THE ACCELERATOR PEDAL BECAME HARD TO PRESS THEN ENGAGED AND UNABLE TO CONTROL SPEED]. ALL THE WHILE FRANTICLY APPLYING THE BRAKE AN TRYING TO RELEASE THE ACCELERATOR, I HAD TO FORCE THE VEHICLE INTO GEAR [PARK] WHERE THE VEHICLE THEN REVVED INTO THE RED ZONE BEFORE CUTTING OFF. I THEN TRIED RESTARTING THE VEHICLE UP AND AGAIN THE ACCELERATOR REMAINED ENGAGED [STUCK] AND WOULD NOT RELEASE.

NHTSA ODI #10826010

49,900 miles · May 5, 2005
Vehicle Speed Control

VEHICLE CONTINUES TO ACCELERATE ON THE HIGHWAY. DEALER SERVICED THE IDLE CONTROL. VEHICLE CONTINUES TO ACCELERATE.*AK WHILE SLOWING DOWN OR COMING TO A STOP ENGINE DOES NOT ALWAYS RETURN TO IDLE. *BF *NM

NHTSA ODI #10117679

40,000 miles · Mar 2, 2005
Electrical SystemEngine And Engine CoolingFuel System, Gasoline

ISUZU TROOPER 1999 PROBLEM AFTER PROBLEM, ENGINE BURNING OIL. *BF AFTER THE ENGINE WAS REPLACED, THE ENGINE LIGHT ILLUMINATED AT LEAST 30 TIMES. THE DEALER GAVE THE CONSUMER ALL TYPES OF EXCUSES UNTIL FINALLY THEY SAID THEY DIDN'T KNOW WHAT WAS CAUSING THE LIGHT TO ILLUMINATE. THERE WERE OTHER PROBLEMS SUCH AS A HARD SHIFT …

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ISUZU TROOPER 1999 PROBLEM AFTER PROBLEM, ENGINE BURNING OIL. *BF AFTER THE ENGINE WAS REPLACED, THE ENGINE LIGHT ILLUMINATED AT LEAST 30 TIMES. THE DEALER GAVE THE CONSUMER ALL TYPES OF EXCUSES UNTIL FINALLY THEY SAID THEY DIDN'T KNOW WHAT WAS CAUSING THE LIGHT TO ILLUMINATE. THERE WERE OTHER PROBLEMS SUCH AS A HARD SHIFT WITH THE TRANSMISSION, WATER LEAKING THROUGH THE SUN ROOF, DIFFICULTY STARTING THE VEHICLE, UNEVEN TIRE WEAR, IN JUST 65,000 THE CONSUMER HAS GONE THROUGH 3 COMPLETE SETS OF TIRES. THE CONSUMER WAS TOLD THERE WAS A PROBLEM WITH THE FRAME OF THE VEHICLE AND IT COULD NOT BE ALIGNED. THE TIE RODS WERE REPLACED BECAUSE THEY WERE DEFECTIVE. IN THE PAST THE VEHICLE LUNGED FORWARD WHILE THE CONSUMER HAD HER FOOT FIRMLY PRESSED ON THE BRAKE. THE VEHICLE INTERMITTENTLY IDLED HIGH WHILE STOPPED. THE VEHICLE HAS ROLLED BACKWARDS WHILE IT WAS IN PARK. ANOTHER MECHANIC INFORMED THE CONSUMER THE PREVIOUS DEALER INSTALLED SEVERAL ELECTRICAL COMPONETS INCORRECTLY AND THERE WERE ALSO SOME DEFECTIVE PARTS THAT NEEDED TO BE REPLACED WHICH CAUSED THE ENGINE LIGHT TO COME ON. THE CONSUMER WAS GETTING POOR GAS MILEAGE. *JB

NHTSA ODI #10113417

Mileage unknown · Aug 1, 2001
Service Brakes, HydraulicVehicle Speed ControlCrashInjury

ENGINE SURGED TWICE WHILE IDLING AT STOP, BRAKES FAILED TO STOP VEHICLE. *AK

NHTSA ODI #749561

Mileage unknown · Apr 10, 2001
Vehicle Speed Control

ENGINE STALLED ON DE-ACCELERATION: AT 20-25 MPH, LET OFF GAS PEDAL, ENGINE DIED. SHIFTED TO NUETRAL AND RESTARTED.

NHTSA ODI #743848

Official recalls

0

No recalls in this snapshot.

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

0

No exact-year investigations in this snapshot.