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
Estimated repair cost
Typical range in Australia (parts + labour)
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?
This code sits in an engine peripheral, typically emissions or forced induction. It will not take braking or steering away, but it can put the car into limp mode, cost you fuel and fail a roadworthy. Book it in rather than clearing it and hoping.
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.