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.
| 02223 | 2004-07-27. Service bulletin. 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 |
|---|---|
| 16057 | 2002-11-07. Service bulletin. 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 |
| 16035 | 2002-11-06. Service bulletin. 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 |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.