DTC P0191: Fuel Rail Pressure Sensor A Circuit Range/Performance
P0191 - FUEL RAIL PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE
| Description: | The comprehensive component monitor (CCM) checks the fuel rail pressure (FRP) sensor for an acceptable fuel pressure. The test fails when the fuel pressure falls below or exceeds a minimum/maximum calibrated value for a calibrated period of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | A FRP PID value during key ON, engine running of 138 kPa (20 psi) to 413 kPa (60 psi) is acceptable. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DD . | ||