Ford Excursion 1999–2003 — technical service bulletin
Bulletin 16589 · NHTSA communication 10005093 · issued Jan 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2003
model years
9
vehicle entries
Official summary
Gradual loss of power at cruise. Use fuel additive to prevent his condition. All super duty f-series 1999-2003 included. Oasis *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.