# NHTSA Preliminary Evaluation PE98020
> **UNDERHOOD FUEL LEAKAGE AND FIRES** · Opened 1998-03-31 · Closed 1998-09-21
## Investigation
- **Action number:** PE98020
- **Type:** Preliminary Evaluation
- **Open date:** 1998-03-31
- **Close date:** 1998-09-21
- **Manufacturer:** THOMAS BUILT BUSES, INC.
- **Affected makes:** THOMAS
- **Affected components:** VEHICLE SPEED CONTROL:LINKAGES
- **Affected model years:** 1993, 1994, 1995, 1996
- **Affected (make, year) variants:** 4
## Summary

A DIESEL FUEL RETURN LINE IS ALLEGED TO FAIL IN THE UNDERHOOD ARE CAUSING FIRES

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE98020)
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