Engine-CodesBuick – P0464 Buick

P0464 Buick Code - Fuel Level Sensor Circuit Intermittent

Quick Answer

The P0464 Buick code indicates a problem with the fuel level sensor circuit in the vehicle. Common causes include Faulty fuel level sensor, Damaged wiring or connectors in the sensor circuit, Corrosion in the sensor connections. 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 Buick indicates Fuel Level Sensor Circuit Intermittent.
Common causes
Common causes include Faulty fuel level sensor, Damaged wiring or connectors in the sensor circuit, Corrosion in the sensor connections.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0464 Buick Description

The P0464 Buick code indicates a problem with the fuel level sensor circuit in the vehicle. The fuel level sensor is responsible for sending information to the vehicle's fuel gauge, informing the driver of the amount of fuel in the tank. An intermittent issue with this circuit means that there is a sporadic connection problem that is affecting the sensor's ability to accurately report the fuel level.

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

Common Causes of P0464 Buick

  1. Faulty fuel level sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion in the sensor connections
  4. Issues with the instrument cluster receiving sensor data
  5. Electrical problems in the sensor circuit

Symptoms of P0464 Buick

  1. Fluctuating fuel gauge readings
  2. Fuel gauge showing empty even when the tank is full
  3. Fuel gauge showing full when the tank is low on fuel
  4. Check Engine Light illuminated
  5. Inaccurate fuel level readings on the dashboard display

How to Fix P0464 Buick

  1. Perform a diagnostic scan to retrieve the fault code and pinpoint the exact cause of the issue.
  2. Inspect the fuel level sensor and its connections for any damage or corrosion.
  3. Test the sensor circuit for proper voltage and continuity.
  4. Replace the fuel level sensor if it is found to be faulty.
  5. Clear the fault code and reset the system to ensure the repair was successful.

Cost to Fix P0464 Buick

The typical repair costs for addressing a P0464 Buick code can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to inquire about local rates for a more accurate estimate.

Tech Notes for P0464 Buick

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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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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