P0171 on the 2001 Ford Explorer Sport Trac
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.
| 15696 | 2002-11-07. Service bulletin. SOME ENGINES MAY EXHIBIT A HESITATION IN VARIOUS DRIVE MODES AND / OR A MALFUNCTION INDICATOR LAMP ILLUMINATION WITH CODES SET IN MEMORY P0171/P0174 AND / OR P0172/P0175. *TT |
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| 01205 | 2002-02-26. Service bulletin. SOME VEHICLES MAY EXHIBIT VACUUM OR AIR LEAKS IN THE INTAKE MANIFOLD AND / OR ENGINE SYSTEM CAUSING DIAGNOSTIC TROUBLE CODES P0171 AND OR P0174. *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.