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Engine-Codes.com | All About OBDII Engine Codes

P0462

P0462 - Fuel Level Sensor Circuit Low Input

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P0462 Comments |  Add Comment
Possible causes
- Faulty fuel level sensor
- Fuel level sensor harness is open or shorted
- Fuel level sensor circuit poor electrical connection
Help with Possible causes What does this mean?
Tech notes
Low fuel level can trigger this code. Before replacing any parts try filling up the fuel tank and erasing the engine code. If the problem persist it may be necessary to replaced the fuel level sensor.
Help with Tech Notes What does this mean?
When is the code detected?
An excessively low voltage is sent from the sensor is sent to Engine Control Module (ECM).
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Incorrect fuel level reading
P0462 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 Engine Control Module (ECM). The fuel level sensor consists of two parts, one is mechanical float and the other side is variable resistor. The fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

P0462 Information for specific makes
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