NHTSA investigationPE90087
Investigation PE90087: 1986–1990 Isuzu Trooper
- Status
- CLOSED
- Opened
- Jun 6, 1990
- Closed
- Oct 12, 1990
- Model years
- 1986–1990
Subject
Diesel engine surge
Component: Engine and engine cooling
Summary
There is no summary currently available
An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.
Model years covered
- 1990 Isuzu Trooper23 complaints
- 1989 Isuzu Trooper16 complaints
- 1988 Isuzu Trooper17 complaints
- 1987 Isuzu Trooper6 complaints
- 1986 Isuzu Trooper18 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.