Ford Excursion 2003–2004 — technical service bulletin
Bulletin 17929 · NHTSA communication 10004934 · issued Oct 1, 2003
Technical service bulletin
communication type
Electrical System
component
2003–2004
model years
4
vehicle entries
Official summary
Diagnostic trouble code p0103 (mass or volume air flow circuit high input) due to water ingestion/snow packing/ice build-up in the air induction system. *tt
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.