P0300 on the 2004 Mitsubishi Lancer
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.
| 13 | 2005-12-22. Service bulletin. DIAGNOSTIC TROUBLE CODE P0300 COLD ENGINE MISFIRE. MITSUBISHI TECH TALK. *TT |
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| 113 | 2005-07-08. Service bulletin. DIAGNOSTIC TROUBLE CODE (DTC) P0300 COLD ENGINE MISFIRE. *TT |
| 0413001 | 2005-02-01. Service bulletin. DIAGNOSTIC TROUBLE CODE (DTC) P0300 RANDOM MISFIRE. *NM |
| 0413007 | 2004-08-23. Service bulletin. POWERTRAIN CONTROL MODULE (PCM) REPROGRAMMING FOR DIAGNOSTIC TROUBLE CODE (DTC) P0300 RANDOM MISFIRE. *TT DRIVEABILITY CONCERNS. MITSUBISHI TECH TALK. *TT UPDATE. *TT |
4 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.