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Service bulletins for the 1997 Ford Expedition

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.

373 on file from NHTSA, as of 2026-10-19.

About P0446 on the 1997 Ford Expedition: 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: P0446 are shown. Show all

Bulletins, newest first
976201997-07-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. MALFUNCTION INDICATOR LAMP (MIL) - ILLUMINATED- DIAGNOSTIC TROUBLE CODE (DTC) P0446 STORED IN CONTINUOUS MEMORY- VEHICLES BUILT THROUGH 1/17/97. *JD
BC32709702071997-07-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. CHECK ENGINE LIGHT - DTC P0446 - CHECK FOR MOLD FLASHING IN THE 90 DEGREE ELBOW EVAP LINE CONMING OUT OF THE CANNISTER. *TW
BC30629702281997-06-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ILLUMINATION OF CHECK ENGINE LIGHT WITH DTC P0446 MAY BE DUE TO CONTAMINATED CANNISTER, EVAP LINES OR VENT SOLENOID. *TW

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.