Specifications

Symptom List:
P0190-FUEL PRESS SENSOR CIRCUIT MALF SIGNAL VOLTAGE
TOO HIGH
P2008-FUEL PRESSURE SENSOR CIRCUIT SIGNAL VOLTAGE
TOO HIGH
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0190-FUEL PRESS SENSOR
CIRCUIT MALF SIGNAL VOLTAGE TOO HIGH.
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