DTC P0190: Fuel Rail Pressure Sensor A Circuit
P0190 - FUEL RAIL PRESSURE SENSOR A CIRCUIT
| Description: The comprehensive component monitor (CCM) monitors the fuel rail pressure (FRP) sensor to the PCM for VREF voltage. The test fails when the VREF voltage from the PCM drops to a voltage less than a minimum calibrated value. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DD . | ||