P0171 on the 2000 Ford Ranger
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.
| 15455 | 2002-04-18. Service bulletin. SOME VEHICLES EQUIPPED WITH A 2.5/3.0L ENGINE MAY EXHIBIT A SURGE, HESITATION, ROUGH IDLE OR MALFUNCTION INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES P0171, P0174, 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 |
| 15190 | 2001-11-16. Service bulletin. SOME VEHICLES MAY EXHIBIT SURGE, HESITATION, ROUGH IDLE OR MALFUNCTION NDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODES P0171, P0172, NP0174, P0175. *ET |
| 14547 | 2001-04-02. Service bulletin. SOME VEHICLES MAY EXHIBIT SURGE, HESITATION OR ROUGH IDLE OR MALFUNCTION INDICATOR LAMP ON W/ DIAGNOSTIC TROUBLE CODES P0171, P0172, P0174, AND P0175. *JB |
4 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.