P0300 on the 1997 Mazda 626
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 00298 | 1999-03-15. Service bulletin. SUBJECT REGARDING MALFUNCTION INDICATOR LIGHT (MIL) ILLUMINATION WITH DTC ( S ) P0300 THROUGH P0306. *YC |
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| 00298 | 1999-03-11. Service bulletin. SUBJECT REGARDING MALFUNCTION INDICATOR LIGHT (MIL) ILLUMINATION WITH DTC (S) P0300 THROUGH P0306. *YC |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.