P0171 on the 2003 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.
| 03161 | 2003-10-08. Service bulletin. CHECK ENGINE LIGHT ON AND LEAN DIAGNOSTIC TROUBLE CODES (DTC'S) P0171/P0174 (SYSTEM TOO LEAN BANK 1 OR 2) STORED IN MEMORY. *TT |
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| 16920 | 2003-09-09. Service bulletin. LEAN DIAGNOSTIC TROUBLE CODES P0171/P0174 STORED. NEW SERVICE ISOLATOR BOLT ASSEMBLY RELEASED FOR SERVICE. *TT |
2 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.