P0304 on the 2015 Honda Fit
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.
| A22-019 | 2022-07-07. Service bulletin. Service bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301–P0304 (cylinder misfire detected). Carbon buildup on the intake valves may be affecting combustion. |
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| A21-007 | 2022-02-22. Service bulletin. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected). |
| A16-034 | 2022-02-22. Service bulletin. Service Bulletin - 2015-16 Fit: MIL Is On with DTC P0300, P0301, P0302, P0303, P0304 |
| A21-007 | 2021-12-22. Service bulletin. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected). |
| A21-007 | 2021-06-22. Service bulletin. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected). |
| A21-007 | 2021-05-25. Service bulletin. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected). |
| A21-007 | 2021-05-05. Service bulletin. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected). |
7 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.