# P0171 on the 2004 Subaru Legacy

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.

## Bulletins for this model year that name P0171

- [10018399](https://open.wenmarpro.com/bulletins/10018399), 2005-12-22: DIAGNOSTIC TROUBLE CODE P0171 \- CHECK FOR A LOOSE VACUUM CONNECTION ON THE SMALL BLUE VACUUM T FITTING FOUND UNDER THE INTERCOOLER. SUBARU TECHTIPS. \*TT