IllustrationFAULTY ELECTRONIC CONTROL UNIT IDLE ERRATIC, REVVING UP AND DOWN STALLING AND DIEING FOR NO REASON
1989 Isuzu Trooper Ii
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Trooper Ii years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
- Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Electrical System complaints
2 reportsCOMPUTER IS NOT ACTIVATING THE FUEL PUMP RELAY, AND THE DASH INDICATOR STAYES ON, CAUSING THE ALTERNATOR NOT TO RECEIVE A SENSING VOLTAGE AND CONSEQUENTLY THE BATTERY HAS TO BE CHARGED MANUALLY. OCCASIONALLY THE INDICATOR LIGHTS GO OFF AND THE CHARGING SYSTEM IS NORMAL. BASICALLY, A PIECE OF '!@#$%. I SHOULD HAVE STAYED WITH TOY…
Read full complaint
COMPUTER IS NOT ACTIVATING THE FUEL PUMP RELAY, AND THE DASH INDICATOR STAYES ON, CAUSING THE ALTERNATOR NOT TO RECEIVE A SENSING VOLTAGE AND CONSEQUENTLY THE BATTERY HAS TO BE CHARGED MANUALLY. OCCASIONALLY THE INDICATOR LIGHTS GO OFF AND THE CHARGING SYSTEM IS NORMAL. BASICALLY, A PIECE OF '!@#$%. I SHOULD HAVE STAYED WITH TOYOTA. *AK
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
1PE91040 · Lug Stud Fracture
Opened Jan 28, 1991 · Closed May 23, 1991
Status: closed (inferred from source dates) · Suspension
There is no summary currently available