Ford Expedition 1997 — technical service bulletin
Bulletin BC3090970225 · NHTSA communication 51690 · issued Feb 25, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
3
vehicle entries
Official summary
Vehicles with a rough running/miss symptom with a misfire dtc on a particular cylinder where normal diagnosis does not pinpoint a cause - check for damage to camshaft. *tw
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.