P0308 on the 1998 Ford Expedition
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.
| 4638 | 2001-01-03. Service bulletin. MALFUNCTION INDICATOR LAMP ON, WITH P0300 - P0308 MISFIRE DIAGNOSTIC TROUBLE CODES WITH A 4.6L ENGINE. *TT |
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| 980317 | 1999-02-23. Service bulletin. SYMPTOMS REGARDING P0300-P0308 MISFIRE DTCS WITH 4.6L ENGINES. *YC |
2 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.