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Symptom: P0462-FUEL LEVEL SENDING UNIT VOLTS TOO LOW When Monitored and Set Condition: P0462-FUEL LEVEL SENDING UNIT VOLTS TOO LOW When Monitored: With the ignition on. Set Condition: The fuel level sensor signal voltage on PCM cavity C3-26 is below 0.25 volt. POSSIBLE CAUSES INTERMITTENT CONDITION FUEL LEVEL SENSOR FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO GROUND FUEL LEVEL SENSOR SIGNAL AND GROUND CIRCUITS SHORTED TOGETHER POWERTRAIN CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. All Yes → No → 2 Turn the ignition off. All Yes → Replace the Fuel Level Sensor in accordance with the Service No → 3 Turn the ignition off. All Yes → No → Repair the Fuel Level Sensor Signal circuit for a short to ground. 67 DRIVEABILITY - DIESEL |