P0452: - Evaporative Emission Control System Pressure Sensor Low Input
MediumPowertrainEVAP System
What does P0452 mean?
P0452 is a diagnostic trouble code indicating "- Evaporative Emission Control System Pressure Sensor Low Input". A sensor in the evap 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
- Fuel smell near the vehicle
- Difficulty filling fuel tank
- Intermittent warning lights
- Erratic gauge readings
Estimated repair cost
Typical range in Australia (parts + labour)
$100 – $400 AUD
Common causes
- Faulty evap 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 P0452 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.