Ford F-150 1999–2001 — technical service bulletin
Bulletin 01155 · NHTSA communication 623936 · issued Aug 6, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2001
model years
3
vehicle entries
Official summary
Some vehicles, bi fuel, may exhibit a no start condition in both the gasoline mode and the alt fuel mode, vehicles equipped with 5.4l or 6.8l bi fuel engines only. *slc
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.