Ford Ranger 2001–2004 — technical service bulletin
Bulletin 0486 · NHTSA communication 10008547 · issued May 3, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
4
vehicle entries
Official summary
Boom/vibration at 1800-2200 rpm, rough idle. *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.