Isuzu Trooper Engine and Engine Cooling Problems
Owners have filed 127 complaints with NHTSA about engine and engine cooling problems on the Isuzu Trooper across 8 model years. The 1999 model year has the most (56). The words owners use most often: “oil every” (13% of reports).
- 127engine and engine cooling complaints
- —median miles at failure
- 1mention a crash
- 0mention an injury
- 1related recalls
- $8,500typical repair cost reported by owners
- 63%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Oil every: mentioned in 17 of 127 complaints (13%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the Isuzu Trooper at $8,500, and half of them between $2,750 and $12,250.
Based on 19 NHTSA complaints about this problem alone that state a repair bill or quote (2002–2009), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine and engine cooling problems happen?
Based on 69 complaints that reported the odometer reading.
How serious are the reports?
Of 127 complaints, 1 mention a crash, 2 a fire.
Isuzu Trooper engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2002 Trooper | 4 | 33% | 41,850 |
| 2001 Trooper | 8 | 28% | 85,000 |
| 2000 Trooper | 23 | 47% | 63,550 |
| 1999 Trooper | 56 | 69% | 70,000 |
| 1998 Trooper | 19 | 45% | 59,172 |
| 1997 Trooper | 2 | 15% | 8,150 |
| 1996 Trooper | 8 | 16% | — |
| 1995 Trooper | 7 | 13% | 120,000 |
When owners reported it
Related recalls (1)
Engine and engine cooling:engine:gasoline
Model years: 2000, 2001
Problem: Vehicle description: sport utility vehicles equipped with 4-wheel drive and automatic transmissions built with tod (torque-on-demand). In certain high speed, frontal crashes, movement of engine compartment components can cause the potential for fuel leakage.
Risk: Fuel leakage in the presence of an ignition source could result in a fire.
Fix: Dealers will install a new, reinforced fuel hose assembly. Note: the fuel leakage issue in this recall campaign is not the same as the one addressed in their previous campaign 00v-253.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Accelerated from stop and throttle stuck. Was able to shut down engine and get to side of road. Inspected cable and found that rubber boot on engine side of cable housing had become gummy/sticky/soft and had folded in on itself, sticking to the inner cable itself. Removed boot to get home. Looked…
My suv , isuzu trooper of 10years, was parked in a library parking garage and after ignition turned on, i put it in reverse gear to get out of the parking lot and the car rapidly reversed and before i could figure out and react, the car shot like a rocket towards the front , while still in reverse…
I checked my oil level 3 weeks ago and it was fine. I change my oil every 3000 miles. I added a quart 3 days ago for a long trip i was taking. While driving down to billings, mt, my car suddenly stopped. It had not overheated or shown a warning sign. My car was bone dry of oil! The engine has…
99 isuzu trooper 3.5 engine burns oil excessively. I am original owner and regularly serviced per owners manual. At 50k miles, engine oil light turned on 2,500 miles after oil change and was over 4 qts low. Engine now at 60k mi and burning approx. 1 qt per 600-700 miles. Seems to be common engine…
Engine is exhibiting abnormally high oil consumption. One quart per 500 miles. Imminent engine failure if problem is not corrected. *tr
Frequently asked questions
Do all Isuzu Troopers have engine and engine cooling problems?
No. NHTSA has 127 owner complaints about engine and engine cooling for the Isuzu Trooper. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Isuzu Trooper engine and engine cooling?
Yes: 1 safety recall list engine and engine cooling. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
How much does it cost to fix engine and engine cooling problems on the Isuzu Trooper?
Owners report a typical cost of $8,500 (half paid between $2,750 and $12,250), from 19 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine and engine cooling problems on the Isuzu Trooper?
The most frequent phrase is “oil every”, in 17 of 127 complaints.
See all Isuzu Trooper problems.