Diesel Data: Automotive Repair

Fuel Tank Pressure Sensor: Testing and Inspection




FUEL TANK PRESSURE SENSOR

The fuel tank pressure sensor is a pressure sensitive variable resistor. It measures the change of pressure in the fuel tank and monitors leakage detection. It is used to close the evaporative system and observes tank pressure respectively with canister close valve.

Circuit Diagram:






Harness Inspection Procedures:






Troubleshooting Procedures:






INSPECTION

Check that fuel level is over 15%. If not, this inspection is not available. The vehicle must be running and at idle. Don't forget it.