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Engine-Codes – Generic – P0464

P0464 Code - Fuel Level Sensor Circuit Intermittent

Quick Answer

The P0464 diagnostic trouble code indicates a problem with the fuel level sensor circuit in the vehicle. Common causes include Faulty fuel level sensor, Corrosion or damage to the sensor wiring, Poor electrical connection between the sensor and ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0464 indicates Fuel Level Sensor Circuit Intermittent.
Common causes
Common causes include Faulty fuel level sensor, Corrosion or damage to the sensor wiring, Poor electrical connection between the sensor and ECM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0464 Description

The P0464 diagnostic trouble code indicates a problem with the fuel level sensor circuit in the vehicle. The fuel level sensor is responsible for measuring the amount of fuel in the tank and sending this information to the vehicle's engine control module (ECM). This data is crucial for the ECM to accurately calculate fuel consumption and adjust fuel delivery accordingly.

OBDII Code P0464 - Fuel Level Sensor Circuit Intermittent
P0464 Code - Fuel Level Sensor Circuit Intermittent

Common Causes of P0464

  1. Faulty fuel level sensor
  2. Corrosion or damage to the sensor wiring
  3. Poor electrical connection between the sensor and ECM
  4. ECM software issues
  5. Fuel tank contamination affecting sensor readings

Symptoms of P0464

  1. Inaccurate fuel gauge readings
  2. Fuel gauge fluctuations while driving
  3. Check Engine Light illuminated
  4. Engine stalling or hesitation
  5. Difficulty starting the vehicle

How to Fix P0464

  1. Start by inspecting the fuel level sensor and its wiring for any visible damage or corrosion.
  2. Test the sensor's resistance with a multimeter to determine if it is functioning within the manufacturer's specifications.
  3. Check the electrical connections between the sensor and ECM for any loose or damaged wires.
  4. If the sensor is faulty, replace it with a new one and recalibrate it according to the manufacturer's instructions.
  5. Clear the diagnostic trouble codes from the ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0464

The cost of repairing a P0464 code can vary depending on the make and model of the vehicle, as well as the specific cause of the issue. In general, replacing a fuel level sensor can range from $100 to $300 for the part, with additional costs for labor. The total cost, including parts and labor, can be estimated to be between $200 and $500. It is recommended to consult a professional mechanic or auto repair shop for a more accurate cost estimate based on the specific vehicle and location. Labor rates typically range from $80 to $150 per hour, but may vary.

What does this mean?

Tech Notes for P0464

A 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 replace the fuel level sensor.

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Code P0464 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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