P0304 on the 1997 Ford Aspire
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.
| 12526 | 2000-11-14. Service bulletin. SOME VEHICLES MAY EXHIBIT REPEAT MISFIRE DIAGNOSTIC TROUBLE CODES P0300 - P0304 AFTER SSM 11543 (REPLACEMENT DISTRIBUTION VANE COVER) HAS BEEN PERFORMED. *TT |
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| 5850 | 1999-06-04. Service bulletin. SUBJECT REGARDING REPEATED MISFIRE CODES - DTCS P0300 - P0304. *TT |
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.