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Diagnose/P0463
P0463Low SeverityFuel System

Fuel Level Sensor A Circuit Low Input

What This Means

The fuel level sensor A voltage is below the minimum expected threshold. This sensor provides fuel gauge information and data for EVAP system monitoring.

Common Symptoms

  • Inaccurate fuel gauge
  • Check engine light on
  • EVAP monitoring issues
  • No driveability change

Common Causes

  • Faulty fuel level sensor
  • Wiring damage
  • Corroded connector
  • Float stuck
  • Fuel tank issue

Estimated Repair Cost

$100 – $500
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.