Error P0171 on Audi все модели
Control module software needs to be updated, Vacuum leaks (intake manifold gaskets, vacuum hoses, PCV hoses, etc.), Mass air flow sensor, Plugged fuel filter or weak fuel pump, Plugged or dirty fuel injectors
Code
P0171
Vehicle
Audi все модели
Category
Powertrain
Severity
⚠️ MediumSymptoms
- Unstable idling
- Power Loss
- Jerking when accelerating
- Increased fuel consumption
- Sometimes - the smell of hydrogen sulfide (rotten eggs)
Causes
- Air leak in the intake tract (cracks, loose connections)
- Malfunction of mass air flow sensor or absolute pressure sensor
- Dirty or faulty fuel injectors
- Low fuel pressure (pump wear, clogged filter)
- Malfunction of oxygen sensors
- Problems with the EVAP system
How to Fix
- Check the intake system for leaks (with a smoke generator or WD-40)
- Test the readings of the mass air flow sensor and oxygen sensors
- Check fuel pressure and condition of injectors
- Inspect vacuum hoses and connections
- Reset ECU adaptations after troubleshooting
FAQ
Можно ли ездить с ошибкой P0171?
Не рекомендуется длительная эксплуатация - это может привести к повреждению катализатора и другим проблемам с двигателем.
Сколько стоит устранение P0171?
Стоимость варьируется от 3000 рублей за простые работы (замена патрубков) до 15000 рублей при необходимости замены ДМРВ или топливного насоса.