2009 A4 TSI (Nick Lawrence)

Dave dave.eaton at clear.net.nz
Mon Jun 2 12:18:25 PDT 2014

yes, yes, yes, and not usually (other than the stored code) - in some
circumstances you can get a "cel".

¹08 rs6 avant
¹12 vw alltrack

On 3/06/14 7:00 am,Nick Lawrence <nick at beol.net> wrote:

>I moved up about 2 decades in Audi technology and am getting a 2009 A4
>Avant TSI.   I would like to know If there are knock sensors (most
>likely), and how they function.
>Meaning if there is knock does the computer make changes and if it
>continues to knock create a stored code?
>Is there ever any driver visible indicator that there is engine knock?
>Any insight will be appreciated.
>Nick   central Ohio

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