Ford F-150 2001–2002 — technical service bulletin
Bulletin 021003 · NHTSA communication 637864 · issued May 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
2
vehicle entries
Official summary
Some bi-fuel cng vehicles may exhibit a crank no start condition while operating in alternate fuel mode with the alt fuel light on. *tt
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.