1998 Isuzu Trooper engine and engine cooling problems
19 owner complaints filed with NHTSA name the engine and engine cooling on the 1998 Isuzu Trooper — 45% of all complaints for this model year.
What owners report
“Engine is exhibiting abnormally high oil consumption. One quart per 500 miles. Imminent engine failure if problem is not corrected. *tr”
filed Feb 15, 2010
“I ahve a 1998 isuzu trooper. 3.5 v6. I used 1qt of oil every 500 miles. Isuzu statse this is within specs. I disagree. Several others have had the same problem as well as engines completely needed replacement. Please help in making isuzu of north america own up to this flawed engine.”
filed Jan 31, 2007
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
The Isuzu Commercial Truck of America (ICTA) Service Technical Assistance Center (TAC) provides diagnostic support to Isuzu dealer technicians repairing Isuzu vehicles in and out of vehicle warranty. A TAC case number…
IB09-X-004C · Service Bulletin/Repair Instructions · issued Jul 20, 2022Throttle body mounting bolt torque specifications. *tt
0301S002 · Service Bulletin/Repair Instructions · issued May 1, 2003
Engine and Engine Cooling problems in other Trooper years
| Year | Reports | Share |
|---|---|---|
| 2001 Trooper | 8 | 28% |
| 2000 Trooper | 23 | 47% |
| 1999 Trooper | 56 | 69% |
| 1996 Trooper | 8 | 16% |
| 1995 Trooper | 7 | 13% |
| 1994 Trooper | 12 | 26% |
| 1993 Trooper | 7 | 21% |
| 1992 Trooper | 8 | 32% |
| 1991 Trooper | 13 | 23% |
| 1990 Trooper | 6 | 26% |
Other reported problem areas on the 1998 Isuzu Trooper
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.