Service bulletins for the 1997 Ford Crown Victoria
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
167 on file from NHTSA, as of 2026-10-19.
About P0420 on the 1997 Ford Crown Victoria: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0420 are shown. Show all
| 03245 | 2004-07-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 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. ELECTRICAL SYSTEM. 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.