Ford F-250 SD 2011 — technical service bulletin
Bulletin CSP-12B33 · NHTSA communication 10044900 · issued Apr 11, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
5
vehicle entries
Official summary
Ford: see document search button for owner letter. The diesel engine power may become reduced if the nitrogen oxide (nox) sensor is inoperative, in the exhaust system, and cause check engine light to come on. *pe
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.