The P0452 trouble code relates to the Evaporative Emission Control System Pressure Sensor Low Input. It signifies that the pressure sensor in the evaporative emission control system is detecting a low input, indicating a lower than expected pressure level within the system.
Evaporative Emission Control System Pressure Sensor Low Input
Code symptoms P0452.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Fuel smell around the vehicle.
3. Rough idling or stalling.
4. Difficulty starting the engine.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0452.
1. Faulty evaporative emission control system pressure sensor.
2. Wiring or connector issues in the pressure sensor circuit.
3. Corrosion or damage to the pressure sensor.
4. Blockage in the evaporative emission control system hoses or lines.
5. Fuel tank damage causing low pressure readings.
Code Solutions P0452.
1. Inspect the evaporative emission control system pressure sensor for proper operation and replace if defective.
2. Check the wiring and connectors in the pressure sensor circuit for damage or corrosion and repair as necessary.
3. Ensure proper electrical connections to the pressure sensor and address any loose or damaged connections.
4. Examine the evaporative emission control system hoses and lines for blockages or leaks and repair or replace as needed.
5. Inspect the fuel tank for damage that may be causing low pressure readings and repair or replace it accordingly.