Ford F-250 SD 2011 — technical service bulletin
Bulletin SIS-21847 · NHTSA communication 10038966 · issued Apr 1, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
4
vehicle entries
Official summary
Ford: 2011 f-super duty. The malfunciton light is on. The vehicle may have a hard start, no start, lack of power, or may run rough. *rm
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.