# P0171 on the 2004 Hummer H2

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

- [10021799](https://open.wenmarpro.com/bulletins/10021799), 2007-06-21: VARIOUS DRIVEABILITY FUNCTIONS DUE TO CLOGGED FUEL INJECTORS, MIL/SES DTC'S P0171, P0172, P0174, P0300, P1174, P1175. \*KB UPDATED 08\-15\-07. \*KB UPDATED 8/4/09. \*PE
- [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