- Repairing or replacing the fuel tank.
- Repairing or replacing the fuel level sensor float.
- Repairing or replacing the fuel level sensor.
- Replacing the wiring harness for the fuel level sensor.
- Tightening a loose connection in the fuel level sensor circuit.
Where is the fuel level sensor circuit located?
The fuel level sensor consists of a float located in the gas tank and an arm attached to it. The arm has grounding through the fuel tank and, as its resistance changes, the voltage varies to indicate a fuel level.
What is po463?
The P0463 code is triggered when your vehicle’s powertrain control module (PCM) detects inaccurate fuel level readings from the fuel level sensor. … As a result of this code, the check engine light is illuminated due to the fuel level sensor indicating there’s more fuel in the tank than the tank can physically hold.