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Symptom: P0180-FUEL TEMPERATURE SENSOR SRC LOW EXCEEDED When Monitored and Set Condition: P0180-FUEL TEMPERATURE SENSOR SRC LOW EXCEEDED When Monitored: With the ignition on. Set Condition: The fuel temperature sensor signal voltage is below 0.8 volt. POSSIBLE CAUSES INTERMITTENT CONDITION FUEL TEMPERATURE SENSOR (FUEL INJECTION PUMP) SHORTED TO GROUND INTER- FUEL TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND FUEL TEMPERATURE SENSOR SIGNAL AND GROUND CIRCUITS SHORTED TOGETHER INTERNAL FUEL INJECTION PUMP TEST 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 → 48 DRIVEABILITY - DIESEL |