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Symptom: P0180-FUEL TEMPERATURE SENSOR SRC HIGH EXCEEDED When Monitored and Set Condition: P0180-FUEL TEMPERATURE SENSOR SRC HIGH EXCEEDED When Monitored: With the ignition on. Set Condition: The fuel temperature sensor signal voltage is above 4.7 volts. POSSIBLE CAUSES INTERMITTENT CONDITION FUEL TEMPERATURE SENSOR (FUEL INJECTION PUMP) OPEN INTERNALLY FUEL TEMPERATURE SENSOR GROUND CIRCUIT OPEN FUEL TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN INTERNAL FUEL INJECTION PUMP TEST FUEL TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE ENGINE CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. All Yes → No → 2 Turn the ignition off. All Yes → Replace the Fuel Injection Pump in accordance with the Service No → 56 DRIVEABILITY - DIESEL |