P0191 on the 2012 Mazda Mazda3
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.
| 01-004-15-3028 | 2017-05-19. Service bulletin. SOME VEHICLES MAY EXPERIENCE THE CHECK ENGINE LIGHT ON WITH DTC P0191:00 OR DTC P0088:00 STORED IN MEMORY. DTC P0191:00: FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (EXCEPT 2014 MAZDA3) DTC P0088:00: FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (2014 MAZDA3) THIS IS CAUSED BY THE HIGH PRESSURE FUEL PUMP NOT GENERATING THE TARGET FUEL PRESSURE (DUE TO A MANUFACTURING ERROR OF THE INNER PARTS). TO CORRECT THE PROBLEM, PRODUCTION CONTROL HAS BEEN IMPROVED. |
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| 01-010-14-2896 | 2017-05-04. Service bulletin. SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0191:00 (FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFOR-MANCE PROBLEM) STORED IN MEMORY. THIS IS CAUSED BY THE HIGH PRESSURE FUEL PUMP NOT GENERATING THE TARGET FUEL PRESSURE (DUE TO A MANUFACTURING ERROR OF THE INNER PARTS). TO CORRECT THE PROBLEM, PRODUCTION CONTROL HAS BEEN IMPROVED. |
| 01-010-14-2896A | 2017-05-04. Service bulletin. SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0191:00 (FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFOR-MANCE PROBLEM) STORED IN MEMORY. THIS IS CAUSED BY THE HIGH PRESSURE FUEL PUMP NOT GENERATING THE TARGET FUEL PRESSURE (DUE TO A MANUFACTURING ERROR OF THE INNER PARTS). TO CORRECT THE PROBLEM, PRODUCTION CONTROL HAS BEEN IMPROVED. |
| 01-010-14-2896B | 2017-05-03. Service bulletin. SOME VEHICLES MAY EXPERIENCE THE CHECK ENGINE LIGHT ON WITH DTC P0191:00 OR DTC P0192:00 STORED IN MEMORY. DTC P0191:00: FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (EXCEPT 2014 MAZDA3) DTC P0192:00: FUEL PRESSURE SENSOR CIRCUIT LOW INPUT (2014 MAZDA3) THIS IS CAUSED BY THE HIGH PRESSURE FUEL PUMP NOT GENERATING THE TARGET FUEL PRESSURE (DUE TO A MANUFACTURING ERROR OF THE INNER PARTS). TO CORRECT THE PROBLEM, PRODUCTION CONTROL HAS BEEN IMPROVED. |
| 01-024-12-2729 | 2017-04-25. Service bulletin. ON CERTAIN 2012 MAZDA3 VEHICLES, WHEN USING HIGH EVAPORATIVE WINTER FUEL, IF THE VEHICLE IS STOPPED AND IDLING FOR LONGER THAN 20 MINUTES, THERE IS A POSSIBILITY THAT THE FUEL INSIDE THE HIGH-PRESSURE FUEL PUMP MAY BE RAISED TO A HIGHER TEMPERATURE THAN USUAL. IF THE FUEL TEMPERATURE IS HIGHER THAN THE FUEL VAPOR TEMPERATURE, THE FUEL SUPPLY TO THE INJECTOR MAY BE INSUFFICIENT AND POTENTIALLY CAUSE ONE OF THE FOLLOWING CONDITIONS: • THE VEHICLE MAY EXPERIENCE ROUGH IDLE AND/OR THE MALFUNCTION INDICATOR LIGHT (MIL) MAY ILLUMINATE WITH DTC P0191:00 (FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM) STORED IN THE PCM MEMORY. • THE ENGINE MAY STALL DURING STOP AFTER IDLING FOR A LONG TIME, AND MAY NOT RESTART FOR A CERTAIN PERIOD OF TIME. |
| 01-024-12-2729A | 2017-04-25. Service bulletin. ON CERTAIN 2012 MAZDA3 VEHICLES, WHEN USING HIGH EVAPORATIVE WINTER FUEL, IF THE VEHICLE IS STOPPED AND IDLING FOR LONGER THAN 20 MINUTES, THERE IS A POSSIBILITY THAT THE FUEL INSIDE THE HIGH-PRESSURE FUEL PUMP MAY BE RAISED TO A HIGHER TEMPERATURE THAN USUAL. IF THE FUEL TEMPERATURE IS HIGHER THAN THE FUEL VAPOR TEMPERATURE, THE FUEL SUPPLY TO THE INJECTOR MAY BE INSUFFICIENT AND POTENTIALLY CAUSE ONE OF THE FOLLOWING CONDITIONS: • THE VEHICLE MAY EXPERIENCE ROUGH IDLE AND/OR THE MALFUNCTION INDICATOR LIGHT (MIL) MAY ILLUMINATE WITH DTC P0191:00 (FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM) STORED IN THE PCM MEMORY. • THE ENGINE MAY STALL DURING STOP AFTER IDLING FOR A LONG TIME, AND MAY NOT RESTART FOR A CERTAIN PERIOD OF TIME. |
6 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.