Ford E-150 2001–2004 — technical service bulletin
Bulletin 05173 · NHTSA communication 10018741 · issued Nov 14, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
10
vehicle entries
Official summary
Malfunction indicator lamp on with diagnostic trouble code p1131 and/or p1151 - 4.2l engine. *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.