Ford Econoline 1988–1994 — technical service bulletin
Bulletin BC3131950301 · NHTSA communication 39190 · issued Mar 1, 1995
Technical service bulletin
communication type
Engine and Engine Cooling
component
1988–1994
model years
13
vehicle entries
Official summary
Service procedure for catalytic converter restriction issues - procedure requires the use of new ecm, iac valve and expansion chamber. *tw
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.