P0172 on the 1997 Ford Contour
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.
| 5306 | 2001-01-16. Service bulletin. SOME VEHICLES MAYE XHIBIT EXHIBIT A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0171 AND P0172 STORED IN MEMORY. *TT |
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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.