Dome light on if your a3 thinks that the door is ajar it ll leave the dome light on.
Audi a3 door sensor problem.
When an o2 oxygen sensor go bad it ll cause your audi a3 s engine to run less efficiently.
Or it may exhibit none at all.
This article applies to the audi a3 2012 present.
If your early to mid 200 s audi or vw is gabbing problems with either side door electrical locks windows or anything electrical start by looking here.
The door ajar warning staying on is usually caused by a bad door jamb switch.
This can create some visibility.
Audi a3 resetting ecu check engine light how to reset ecu check engine light get your audi to stop telling you off.
Often enough the only sign of the problem at all is the service engine soon light being on.
Audi a6 c5 how to repair door contact sensor how to repair door contact sensor a faulty door contact sensor can cause all sorts of annoying problems and it s a common issue on certain audi models.
Recent audi a3 questions 2009 audi a3 left tail lights no power car won t start when i try turning it on the red park light blinks as well as the park button.
How to repair door contact sensor.
Your a3 can exhibit symptoms when the oxygen sensor has gone bad.