Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P0464-00: Fuel Level Sensor 'A' Circuit Intermittent: General Description
The Fuel Level Sensor (FLS) measures the fuel level in the fuel tank; the fuel level information is used to supply the PCM with information regarding the monitoring condition of the EVAP canister purge system for leak detection. The FLS is monitored for High, Low, Stuck or Difference between consumed fuel level voltage and fuel level sensor voltage deviation exceeds the limited value while driving, this is interpreted by the PCM as a fault.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.