Engine-Codes
 
OBDII Code List
 
P0462 CHEVROLET

P0462 CHEVROLET - Fuel Level Sensor Circuit Low Input

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty fuel level sensor
  • Fuel level sensor harness is open or shorted
  • Fuel level sensor circuit poor electrical connection
  • 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 persists it may be necessary to replaced the fuel level sensor.

    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 Chevrolet Description

    The fuel level sensor consists of a float, a wire float arm, and a ceramic resistor cord. The position of the float arm indicates the fuel level. The fuel level sensor contains a variable resistor, which changes resistance in correspondence to the amount of fuel in the fuel tank. The Engine Control Module (ECM) sends the fuel level information via the class 2 circuit to the instrument panel (I/P) cluster. This information is used for the I/P fuel gage and the low fuel warning indicator, if applicable. The ECM also monitors the fuel level input for various diagnostics.
    OBDII Code P0462 Chevrolet - Fuel Level Sensor Circuit Low Input - Engine-Codes.com

    Related Information

    Repair Importance Level: 3
     
    1=Low 2=Medium 3=High  
    Repair Difficulty Level: 3
     
    1=Easy 2=Moderate 3=Hard  

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