P0190 - Fuel Rail Pressure Sensor A Circuit
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2014 Lincoln Navigator, 2014 Lincoln MKZ, 2014 Lincoln MKX, 2014 Lincoln MKT, and 2014 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
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: FUEL PRESSURE, FUEL RAIL PRESSURE (FRP) AND FUEL RAIL PRESSURE TEMPERATURE (FRPT) SENSORS . | ||