# NHTSA Preliminary Evaluation PE91017
> **FORD TRUCK INCONSISTENT VEHICLE CONTROL.** · Opened 1990-11-27 · Closed 1991-04-17
## Investigation
- **Action number:** PE91017
- **Type:** Preliminary Evaluation
- **Open date:** 1990-11-27
- **Close date:** 1991-04-17
- **Manufacturer:** Ford Motor Company
- **Affected makes:** FORD
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1988, 1989, 1990
- **Affected (make, year) variants:** 6
## Summary

SEE CLOSE RESUME

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE91017)
---
*AI Analytics · CC0 1.0*