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Symptom List: P0190-FUEL PRESS SENSOR CIRCUIT MALF SIGNAL VOLTAGE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0190-FUEL PRESS SENSOR When Monitored and Set Condition: P0190-FUEL PRESS SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO HIGH When Monitored: With the ignition on. Set Condition: The Fuel Rail Pressure Sensor Signal voltage is above 4.8 volts. POSSIBLE CAUSES ECM - FUEL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE ECM - FUEL PRESSURE SENSOR SIGNAL OPEN FUEL PRESSURE SENSOR SIGNAL CIRCUIT OPEN FUEL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE SENSOR GROUND CIRCUIT OPEN INTERMITTENT CONDITION FUEL PRESSURE SENSOR 5-VOLT SUPPLY CIRCUIT OPEN SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE FUEL PRESSURE SENSOR ENGINE CONTROL MODULE 53 DRIVEABILITY - DIESEL |