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2015 Audi A3 Premium 1.8L Poor Idle Quality, Surge, Cuts out
Posted to European Driveability on 8/28/2025 7 Replies

hello all....this car has a extreme amount of engine crankcase vacuum and will stall if oil cap is removed the pcv has been changed and no change the high pressure pump has to be disconnected in order to start the car....when running after starting car is ...

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car Vehicle Data

2015 Audi A3 Premium

VIN [No VIN Available]
Engine1.8 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out
OccursCold
Open Help Request

car Vehicle Data

2015 Audi A3 Premium

VIN [No VIN Available]
Engine1.8 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out
OccursCold