DTC P0190: Fuel Rail Pressure (FRP) Sensor Circuit Malfunction
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P0190 - FUEL RAIL PRESSURE (FRP) SENSOR CIRCUIT MALFUNCTION
| Description: | The comprehensive component monitor (CCM) monitors the 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: | Verify the VREF voltage is between 4 and 6 volts. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to Pinpoint Test DD . |