P0464 Infiniti Code - Fuel Level Sensor Circuit Intermittent
Quick Answer
The P0464 code in an Infiniti indicates a problem with the fuel level sensor circuit. Common causes include Faulty fuel level sensor, Damaged wiring or connectors in the fuel level sensor circuit, Corrosion or rust in the fuel tank. 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 Infiniti indicates Fuel Level Sensor Circuit Intermittent.
- Common causes
- Common causes include Faulty fuel level sensor, Damaged wiring or connectors in the fuel level sensor circuit, Corrosion or rust in the fuel tank.
- 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.
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Code P0464 Infiniti Description
The P0464 code in an Infiniti indicates a problem with the fuel level sensor circuit. The fuel level sensor is responsible for sending information about the fuel level in the gas tank to the vehicle's engine control module (ECM). This information is crucial for the ECM to accurately calculate fuel consumption and adjust fuel delivery to the engine. An intermittent issue with the fuel level sensor circuit can lead to inaccurate readings being sent to the ECM, resulting in poor fuel efficiency, incorrect fuel level readings on the dashboard, and potential stalling of the engine.
Common Causes of P0464 Infiniti
- Faulty fuel level sensor
- Damaged wiring or connectors in the fuel level sensor circuit
- Corrosion or rust in the fuel tank
- Loose or disconnected wiring in the fuel level sensor circuit
- ECM software issue
Symptoms of P0464 Infiniti
- Inaccurate fuel level readings on the dashboard
- Fluctuating fuel gauge
- Engine stalling or hesitation
- Check Engine light illuminated
- Poor fuel efficiency
How to Fix P0464 Infiniti
- Start by diagnosing the exact cause of the issue using a scan tool to read the error code and checking the fuel level sensor and its wiring for any visible damage.
- Replace the fuel level sensor if it is found to be faulty. This may require draining the fuel tank and removing it to access the sensor.
- Repair or replace any damaged wiring or connectors in the fuel level sensor circuit.
- Clear the error code from the ECM's memory and perform a test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostic testing may be needed to identify any underlying issues with the fuel system.
Cost to Fix P0464 Infiniti
The cost of repairing a P0464 code in an Infiniti can vary depending on the exact cause of the issue and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. It's important to note that diagnosis time and labor rates can vary between auto repair shops, so it's advisable to get a few quotes before proceeding with the repair.
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