Ford Aerostar 1976–1998 — technical service bulletin
Bulletin BC4854961001 · NHTSA communication 50444 · issued Oct 1, 1996
Technical service bulletin
communication type
Power Train
component
1976–1998
model years
2
vehicle entries
Official summary
Revised eec calibration has been incorporated in pcm calibration for vehicles which display lack of power due to torque converter engagement scheduling, catalytic converter failures, rough idle or hard start on hot restart. *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.