Ford F-150 2004 — technical service bulletin
Bulletin 05515 · NHTSA communication 10014700 · issued Mar 21, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
1
vehicle entries
Official summary
Rough idle - 5.4l and 4.6l engines. *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.