# P0191 on the 2007 Chevrolet Express

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 P0191

- [10030110](https://open.wenmarpro.com/bulletins/10030110), 2009-08-04: GENERAL MOTORS: MALFUNCTION INDICATOR LAMP \(MIL\) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE \(FRP\) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS \(FOLLOW CORRECTION INFORMATION BELOW\). \*PE UPDATED 11/23/09. \*PE
- [10026665](https://open.wenmarpro.com/bulletins/10026665), 2008-11-26: GMC: FUEL RAIL PRESSURE SENSOR PERFORMANCE DTC P0191. MAY SET DUE TO ACTUAL FUEL RAIL PRESSURE NOT DROPPING QUICKLY ENOUGH WHEN THE ENGINE IS SHUT OFF. \*PE