IllustrationWHILE DRIVING THE VEHICLE IT BEGAN TO SURGE AS IF IT WAS STUCK IN HIGH GEAR. THE GAS PEDDLE SEEMED TO BE STUCK AND THE VEHICLE STARTED TO GO FASTER AND FASTER. I APPLIED THE BRAKES AND THE TIRES SCREECHED WHILE THE VEHICLE WAS STILL IN MOTION FORWARD. I SHUT OFF THE ENGINE AND APPLIED THE BRAKES TO STOP THE AUTO.
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.
About this comparison →How this year compares
Owner complaints by model year
Compare all Trooper years →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
20–25K
625–50K
2250–75K
875–100K
3100–150K
4150K+
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
Fuel/propulsion System complaints
2 reportsLAST 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 …
Read full complaint
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
Official recalls
0No 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
0No exact-year investigations in this snapshot.