P0446 on the 1997 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.
| 97620 | 1997-07-17. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) - ILLUMINATED- DIAGNOSTIC TROUBLE CODE (DTC) P0446 STORED IN CONTINUOUS MEMORY- VEHICLES BUILT THROUGH 1/17/97. *JD |
|---|---|
| BC3270970207 | 1997-07-17. Service bulletin. CHECK ENGINE LIGHT - DTC P0446 - CHECK FOR MOLD FLASHING IN THE 90 DEGREE ELBOW EVAP LINE CONMING OUT OF THE CANNISTER. *TW |
| BC3062970228 | 1997-06-27. Service bulletin. ILLUMINATION OF CHECK ENGINE LIGHT WITH DTC P0446 MAY BE DUE TO CONTAMINATED CANNISTER, EVAP LINES OR VENT SOLENOID. *TW |
3 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.