1994 Isuzu Trooper problems & reliability
47 owner complaints filed with NHTSA for the 1994 Isuzu Trooper, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
4 complaints report injuries (4 injured).
Federal crash records (FARS 2020–2023): 1994 Isuzu Trooper vehicles were involved in 3 fatal crashes with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling → | 12 | 26% |
| Tires | 8 | 17% |
| Electrical System | 5 | 11% |
| Structure | 5 | 11% |
| Suspension | 5 | 11% |
| Vehicle Speed Control | 4 | 9% |
| Fuel System, Gasoline | 2 | 4% |
| Power Train | 2 | 4% |
| Wheels | 2 | 4% |
| Air Bags | 1 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“22 years ago, on feb. 22, 1995 I was driving down silverado canyon rd., which is a very curvy 2 lane road. After a curve I saw 2 cars driving towards me, one passing the other, coming towards me in my lane. I did the only thing I could and moved ~5-7 feet towards the right and flipped over in a counter-clockwise…”
Air Bags · filed Mar 21, 2017
“Tl*the contact owns a 1994 isuzu trooper. The contact stated that the throttle cables feel like the cruise control is always active. In addition, the rpms are constantly idling. There has also been an oil leak; however, the failure was unable to be duplicated. Oil leaked onto the steer plate and coated the entire…”
Engine and Engine Cooling · filed Nov 4, 2008
“Power steering hose started have massive leak all of a sudden, and it was replaced the following morning. The power steering fluid had sprayed all over everything under the hood, which included soaking the alternator, which in turn made the alternator start to surge at time, causing the transmission to go in to back…”
Electrical System · filed Mar 7, 2007
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
7 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1994 Isuzu Trooper.
This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The Exchange Program must be used when any Alpine radio or other component covered by this bulletin is repaired under…
IB13-R-001G · Service Bulletin/Repair Instructions · issued May 8, 2023
Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these…
WB13-X-001B · Service Bulletin/Repair Instructions · issued Aug 30, 2022
Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these…
WB13-X-001A · Service Bulletin/Repair Instructions · issued Aug 2, 2022
Information regarding the availability of the child seat tether anchor kit. *tt
SB9914S007 · Service Bulletin/Repair Instructions · issued Apr 1, 1999
A new type of lsd lubricant was introdued which contains friction mdifiers, necessary for proper lsd function. *yc
9807L001 · Service Bulletin/Repair Instructions · issued Jul 1, 1998
Service information on dtc 55 (brake switch short to ground or open) and dtc 56 (brake switch short to plus). *yc
9805L001 · Service Bulletin/Repair Instructions · issued Jun 1, 1998
Exhaust - booming noise while driving. *tw
SB9403001 · Service Bulletin/Repair Instructions · issued Dec 1, 1994
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 1994 Isuzu Trooper has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1994 Isuzu Trooper?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.