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Service bulletin 98003

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 id600193
Published by NHTSA1998-04-29
Manufacturer's number98003
Manufacturer's date1998-02-01
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

INFORMATION ON SPARK PLUG TIP EROSION CALIBRATION PCM REFLASH. *YC

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
BUICK LESABRE1998
BUICK PARK AVENUE1998
OLDSMOBILE 881998
OLDSMOBILE 981998
PONTIAC BONNEVILLE1998

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
021120042005-04-06. Service bulletin. REPLACEMENT IGNITION KEY CLARIFICATION. *TT
017682004-04-26. Service bulletin. IGNITION KEY REPLACEMENT. *MR
9906040371999-11-26. Service bulletin. SUBJECT ON ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS. *MJS