P0304 on the 1997 Honda Civic
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.
| 010200 | 2001-05-09. Service bulletin. INFORMATION ON INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) AND MISFIRE DIAGNOSTIC TROUBLE CODES P0301 ~ P0304. *TT |
|---|---|
| 176 | 2000-04-25. Service bulletin. MALFUNCTION INDICATOR LIGHT ON WITH MISFIRE DIAGNOSTIC TROUBLE CODES P0301, P0302, P0303, OR P0304. *TT |
| 99011 | 1999-08-10. Service bulletin. CONCERNS WITH THE MALFUNCTION INDICATOR LIGHT COMING ON WITH MISFIRE DIAGNOSTIC TROUBLE CODES (DTC(S) P0301, P0302, P0303, P0304. *TT |
3 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.