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P0300 on the 2004 Infiniti FX35

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.

Bulletins for this model year that name P0300
ITB11017A2021-05-10. Service bulletin. IF YOU CONFIRM Cylinder Misfire DTC (P0300 through P0306) is stored in the ECM and one or more of the ignition coils is blistered (outer surface is deformed/melted), ACTIONS 1. Replace the steering member mounting bolt on the RH side of the IP. 2. Clean engine harness grounds. 3. Replace both negative battery cables. 4. Remove and inspect all 6 ignition coils for damage. 5. Erase DTCs, test drive the vehicle. See this bulletin for further detail.

1 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.