# P0171 on the 2002 Chevrolet Trailblazer

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

- [10014870](https://open.wenmarpro.com/bulletins/10014870), 2005-05-11: 1999 \- 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. \*TT
- [10011692](https://open.wenmarpro.com/bulletins/10011692), 2005-01-28: MISFIRE AT IDLE COLD AND POSSIBLE P0171 AND OR P0174. \*EH
- [10010238](https://open.wenmarpro.com/bulletins/10010238), 2004-11-05: DIAGNOSTIC TROUBLE CODE P0171 . \*SC SERVICE ENGINE SOON LIGHT DUE TO DIAGNOSTIC TROUBLE CODE P0171. \*TT
- [10008820](https://open.wenmarpro.com/bulletins/10008820), 2004-08-24: 02\-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. \*MJ
- [10007277](https://open.wenmarpro.com/bulletins/10007277), 2004-06-09: DIAGNOSTIC TROUBLE CODE \(DTC\) P0171. \*TT