Nissan D21 1994–1995 — technical service bulletin
Bulletin NTB98026A · NHTSA communication 604772 · issued Apr 15, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1994–1995
model years
4
vehicle entries
Official summary
Some vehicles with manual transmission may exhibit engine surging or stumbling, and black smoke from the exhaust when the engine is started after a cold soak. *tt
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.