# UNKNOWN UNKNOWN — ENGINE AND ENGINE COOLING:ENGINE
> NHTSA complaint `557231` · 2005-09-16 · UNKNOWN MANUFACTURER
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** Yes
- **Crash:** No
- **Police report:** Yes
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** UNKNOWN
- **Model:** UNKNOWN
- **Year:** —
- **Manufacturer:** UNKNOWN MANUFACTURER
- **Component:** ENGINE AND ENGINE COOLING:ENGINE
## Narrative
COMPLAINT REGARDING ENGINE SLUDGE BUILD UP IN TOYOTA SIENNA. *TS  THE CONSUMER'S VEHICLE CAUGHT ON FIRE WHILE BEING DRIVEN.  THE CONSUMER BELIEVES THE FIRE WAS THE RESULT OF SLUDGE BUILDUP IN THE ENGINE.  THE CONSUMER RESEARCHED THIS PROBLEM AN FOUND A NUMBER OF SOURCES RELATED TO THIS ISSUE ON THE INTERNET.  *NM
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*