What does code P0452 mean?
The EVAP pressure sensor is sending a lower than expected signal to the ECU.
OBD-II Code
P0452 — Evaporative Emission Control System Pressure Sensor Low Input
The EVAP pressure sensor is sending a lower than expected signal to the ECU.
Common symptoms
- Incorrect tank pressure measurement
- check engine light
Possible causes
- Signal wire shorted to ground
- failing pressure sensor
Initial recommendation
Inspect wiring for shorts to ground and test or replace pressure sensor.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0452 with your vehicle's actual symptoms for more complete diagnostic guidance.
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