P0464: Evaporative Emission Control System Pressure Sensor Intermittent / Fuel Level Sensor Circuit Intermittent

What does P0464 mean?

P0464 is a diagnostic trouble code indicating "Evaporative Emission Control System Pressure Sensor Intermittent / Fuel Level Sensor Circuit Intermittent". A sensor in the fuel system is reporting abnormal data or has lost communication with the ECU. Sensors can fail due to age, contamination, heat exposure, or wiring issues.

Symptoms you may notice

• Check engine light (MIL) illuminated on dashboard
• Poor fuel economy
• Rough idle
• Hesitation during acceleration
• Fuel smell near the vehicle

Common causes

• Faulty fuel system component
• Wiring or connector issue in the related circuit
• Failed sensor providing incorrect readings
• Software/calibration issue requiring ECU update
• Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

Get a diagnosis for YOUR car

Code P0464 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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