# P0191 on the 2002 Mercury Sable

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

- [10008306](https://open.wenmarpro.com/bulletins/10008306), 2004-07-27: DRIVEABILITY\-MALFUNCTION INDICATOR LAMP \(MIL\) WITH P0316 WHEN USING WINTER BLEND REFORMULATED FUELS AT TEMPERATURES ABOVE 50 DEGREES F \(10 DEGREES C\) DURING WINTER MONTHS\-ROUGH OR ROLLING IDLE AFTER HOT SOAK RESTART P0191. TRANSAXLE\-AX4S\-1\-2 UPSHIFT HESITATION COLD\-3.0L 2V/FFV ENGINES. \*MJ
- [636256](https://open.wenmarpro.com/bulletins/636256), 2002-11-07: SOME VEHICLES EQUIPPED WITH A 3.0L 4V ENGINE MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ILLUMINATION WITH A DIAGNOSTIC TROUBLE CODE P0191 \(FUEL RAIL PRESSURE SENSOR CIRCUIT PERFORMANCE\) IN MEMORY. \*TT
- [636229](https://open.wenmarpro.com/bulletins/636229), 2002-11-06: SOME VEHICLES MAY EXHIBIT A ROUGH ENGINE IDLE, ENGINE IDLE ROUGHNESS OR IDLE RPM DIP WITH THE AIR CONDITIONER ON, A DIAGNOSTIC TROUBLE CODE P0191 OR 1\-2 UPSHIFT. \*TT