Ford Expedition 2009–2010 — technical service bulletin
Bulletin AS-21450 · NHTSA communication 10039184 · issued Aug 1, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2010
model years
6
vehicle entries
Official summary
Ford: when accelerating after a cold start there may be lack of power or rough running. Normal condition. 2009-2010 expedition/navigator/f150. *rm
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.