1999 Isuzu Trooper Fuel system Problems
- Complaints
- 4about this part
- Share
- 5%of 81 total for the year
- Median mileage
- 102,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the fuel system of the 1999 Isuzu Trooper, 5% of the 81 complaints for this model year. Where a mileage was given, the median is 102,000 miles.
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.
“While 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.”
NHTSA complaint #10911340, filed 2016-10, 152,500 miles“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. …”
NHTSA complaint #10850767, filed 2016-03, 160,500 miles“Isuzu Trooper 1999 problem after problem, engine burning oil. 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. …”
NHTSA complaint #10113417, filed 2005-03, 40,000 miles“Dt: the contact stated gas was spilling out of the top of gas tank. The tank was full or half full, but when stopping or slowing down the fuel spilled out of the top of the tank. This has been happening for two and a half weeks. The dealership was contacted, and they said that there were no recalls on the vehicle, but if he wanted to make an appointment the dealer would fix it for him. He has not done so at this time. Updated 11/16/2005 - the fuel tank became rusted at the fuel pump which cause fuel to leak from the fuel tank onto the exhaust pipe. …”
NHTSA complaint #10141262, filed 2005-10, 51,500 milesRelated service bulletins
- 10137901May 9, 2014This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2001 | 4 | 14% |
| 2000 | 5 | 10% |
| 1999 | 4 | 5% |
| 1998 | 2 | 5% |
| 1997 | 2 | 15% |
| 1996 | 3 | 6% |
| 1995 | 3 | 6% |
| 1994 | 2 | 4% |
| 1993 | 1 | 3% |
| 1991 | 6 | 11% |
| 1990 | 2 | 9% |
| 1989 | 1 | 6% |
| 1988 | 2 | 12% |
| 1987 | 1 | 17% |
Other parts of the 1999 Isuzu Trooper
56 complaintsTransmission and drivetrain
8 complaintsVehicle speed control
7 complaintsElectrical system
5 complaintsSteering
4 complaintsBrakes
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsEngine
2 complaintsEquipment
2 complaintsBody and structure
2 complaintsSuspension
2 complaintsInterior lighting
1 complaints
← All problems reported for the 1999 Isuzu Trooper
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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