Ford Expedition 1997–1998 — technical service bulletin
Bulletin 982691 · NHTSA communication 603579 · issued Apr 1, 1998
Technical service bulletin
communication type
Unknown / Other
component
1997–1998
model years
6
vehicle entries
Official summary
Concerns of engine checklight on and dtc p1506 ( idle air control over speed error ) and/or fast idle. *yc
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.