Ford Expedition 1997 — technical service bulletin
Bulletin BC3510972301 · NHTSA communication 51494 · issued Jan 23, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
3
vehicle entries
Official summary
Check engine light on with dtc p0455 in continuous memory on 1997 5.4l vehicle applications. *jd
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.