Ford F-250 1999 — technical service bulletin
Bulletin 982541 · NHTSA communication 603559 · issued Apr 1, 1998
Technical service bulletin
communication type
Vehicle Speed Control
component
1999
model years
4
vehicle entries
Official summary
Some vehicles equipped with the 7.3l dit have a strategy that includes a cold weather idle kicker feature which, under certain conditions will automatically elevate the idle speed after 130 seconds of idling at cold temperatures. *yc
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.