P0430 on the 1997 Ford Crown Victoria
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.
| 03245 | 2004-07-26. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0420 AND/OR P0430. *TT |
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| 17310 | 2004-01-21. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0420 (CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD - BANK 1) AND/OR P0430 (CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD - BANK 2). *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.