OBD Guide

P0464

Fuel Level Sensor A Circuit Intermittent

Severity: MEDIUM

Symptoms

  • Incorrect fuel level readings
  • Fuel gauge needle jumps
  • Check Engine light comes on

Causes

  • Damage to the fuel level sensor wiring harness
  • Poor contact in the sensor connector
  • Fuel level sensor malfunction
  • Short circuit or open circuit
  • Grounding problems

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Inspect connectors for oxidation or damage
  3. Check the resistance of the fuel level sensor
  4. Replace the fuel level sensor if necessary
  5. Clean contacts and replace damaged wires

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