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P0446 on the 1998 Ford Windstar

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.

Bulletins for this model year that name P0446
9850952000-06-19. Service bulletin. SOME VEHICLES MAY EXHIBIT A CONDITION OF CHECK ENGINE LIGHT ON AND CONTINUOUS DIAGNOSTIC TROUBLE CODE P0446 (EVAP SYSTEM MALFUNCTION). *TT

1 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.