Service bulletins for the 1998 GMC Sonoma
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.
76 on file from NHTSA, as of 2026-10-19.
About P0300 on the 1998 GMC Sonoma: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0300 are shown. Show all
| 3081 | 2004-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT |
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| 00032 | 2000-07-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY EXPERIENCE ILLUMINATION OF THE SERVICE ENGINE SOON (SES) LIGHT AND CODE P0300 (GENERAL MISFIRE), WITH DRIVEABILITY COMPLAINTS OF ENGINE MISFIRE, ROUGH IDLE AND HESITATION. **MR |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.