Symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

- Fuel level sersor circuit harness or connectors is open or shorted - Fuel level sensor may be faulty

When Detected

An excessively high voltage is sent from the sensor is sent to ECM.

Description

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the ECM or PCM. It consists of two parts, one is mechanical float and the other side is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

Information For Specific Makes

P0463 SUBARU