Pontiac Bonneville 2000 — technical service bulletin
Bulletin 99081 · NHTSA communication 6089936 · issued Dec 1, 1999
Technical service bulletin
communication type
Electrical System
component
2000
model years
1
vehicle entries
Official summary
Certain vehicles equipped with 3.8l supercharged v6 engines may have been built with the wrong spark plugs. *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.