Ford Ranger 1989–1991 — technical service bulletin
Bulletin SFA/94L04 · NHTSA communication 39823 · issued Mar 1, 1995
Technical service bulletin
communication type
Equipment
component
1989–1991
model years
3
vehicle entries
Official summary
Special field action - 94l04 - rangers equipped with 2.3l dual spark plug engines, may not have had the spark plugs changed at the proper interval. To assure that all 8 spark plugs are replaced at the appropriate interval, a service reminder label will be mailed to owners with instructions for attatchment. *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.