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Hi to everyone!

Someone here knows if the keys can store foult codes?
My Rs4 worlk perfectly with one key but with the other the engine lost power and performance.
I dont change nothing, except to start the car with one key or the other.

Thank you for your help.

WTF?

drive with the good key from now on.
Your cured.
Thanks for sharing.


Should this not work!
Try a scan with vag.
Lets us know the faults.

No foults at all with vag!

Very strange but the key realy has a problem.