Error P0401 on Audi все модели
Restriction in the EGR passages usually caused by carbon buildup, The EGR Valve is defective, Lack of proper vacuum or electrical signal to the EGR valve, Malfunctioning EGR Vacuum supply solenoid, Lack of proper EGR system feedback to the computer from the: Manifold Absolute Pressure Sensor (MAP), Differential EGR Pressure Feedback Sensor (DPFE), EGR Valve Position Sensor (EVP), EGR Temperature Sensor
Code
P0401
Vehicle
Audi все модели
Category
Powertrain
Severity
⚠️ MediumSymptoms
- Unstable engine idling
- Reduced engine power
- Increased fuel consumption
- Detonation (knocking) in the engine
Causes
- EGR valve clogged
- EGR solenoid malfunction
- Damage to vacuum lines
- EGR valve position sensor malfunction
- ECU software error
How to Fix
- Check the condition of the EGR valve and clean or replace if necessary
- Check the operation of the EGR solenoid
- Inspect vacuum lines for damage
- Check EGR valve position sensor
- Reset the error and check the system operation
FAQ
Можно ли ездить с ошибкой P0401?
Можно, но не рекомендуется длительное время, так как это может привести к повышенному износу двигателя.
Сколько стоит устранение P0401?
Стоимость ремонта может варьироваться от 5000 до 15000 рублей в зависимости от причины неисправности.