P0300 on the 2020 Kia Forte
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.
| TSB_FUE045 | 2020-05-05. Service bulletin. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: GAMMA 1.6L-T GDI ULEV MIL ON DTC P0128 AND/OR DTC P0300~304 JUDGEMENT LOGIC IMPROVEMENT (SA419) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2019-2020 Forte GT (BDm) vehicles equipped with Gamma 1.6L-T GDI ULEV engines, produced from February 15, 2019 through March 11, 2020, which may exhibit check engine lamp with misfire and/or cooling system related DTCs outlined in the table below. |
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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.