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Service bulletin 99081

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id6089936
Published by NHTSA2000-02-29
Manufacturer's number99081
Manufacturer's date1999-12-01
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

CERTAIN VEHICLES EQUIPPED WITH 3.8L SUPERCHARGED V6 ENGINES MAY HAVE BEEN BUILT WITH THE WRONG SPARK PLUGS. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Ignition

Vehicles listed
PONTIAC BONNEVILLE2000

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
0811012002-03-05. Service bulletin. SOME VEHICLES MAY EXHIBIT A DIAGNOSTIC TROUBLE CODE AFTER INSTALLING A REPLACEMENT ABS EBCM. *TT
0008490152001-03-24. Service bulletin. SOME CUSTOMERS MAY COMMENT THAT THE IGNITION AND START SWITCH ASSEMBLY IN CERTAIN VEHICLES MAY NOT OPERATE PROPERLY RESULTING IN AN INTERMITTENT NO START / NO CRANK CONDITION. *TT
990812000-02-25. Service bulletin. VOLUNTARY EMISSION CAMPAIGN TO INSPECT / REPLACE SPARK PLUG. *TT