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P0464 OBD2: Fuel Level Sensor "A" Circuit Intermittent

P0464 OBD2: Fuel Level Sensor “A” Circuit Intermittent

The P0464 OBD-II code indicates a problem with the Fuel Level Sensor “A” Circuit, which is classified as intermittent. This code is triggered when the engine control module (PCM) detects an irrational signal from the fuel level sensor.

What Does the P0464 Code Mean?

OBD-II Code P0464 is defined as a Fuel Level Sensor “A” Circuit Intermittent. The Fuel Level Sensor is responsible for informing the PCM about the fuel quantity in the tank. When it sends an incorrect signal, the PCM sets this trouble code.

What Causes the P0464 Code?

Several issues can cause the P0464 code, including:

  • Fuel pump failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues within the fuel level sensor circuit

What Are the Symptoms of the P0464 Code?

The primary symptom associated with the P0464 code is:

  • Inaccurate fuel gauge reading

How Serious Is the P0464 Code?

The P0464 code is considered to have moderate severity. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is advisable to diagnose the issue within a reasonable timeframe to prevent further complications.

How to Diagnose the P0464 Code

To properly diagnose the P0464 code, a mechanic will typically follow these steps:

  • Use an OBD-II scanner to confirm the presence of the code.
  • Inspect the wiring and connectors related to the fuel level sensor for damage or corrosion.
  • Test the fuel level sensor for proper operation.
  • Check the PCM for any software issues or faults.

Common Repairs for the P0464 Code

Common repairs for the P0464 code may include:

  • Replacing a faulty fuel level sensor
  • Repairing or replacing damaged wiring or connectors
  • Replacing the PCM if it is found to be faulty

How Much Does It Cost to Fix the P0464 Code?

The cost to repair the P0464 code can vary widely based on the underlying cause. Typical repairs can range from $100 to $500 or more, depending on parts and labor involved.

Can I Fix the P0464 Code Myself?

While some DIY enthusiasts may be able to address simple wiring issues or replace the fuel level sensor, diagnosing and repairing the P0464 code often requires specialized tools and knowledge. It is recommended to seek professional assistance to ensure accurate diagnosis and repair.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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