2009 A4 TSI

[Vincent Gelinas]

Even my little Chevy Sonic that I had (non-turbo) got 3-4 MPG better with
more power on premium!

Vincent


On Thu, Jun 5, 2014 at 12:45 AM, John Lagnese <jlagnese at massed.net> wrote:

> Agreed, my 16V Scirocco gets more power and better mileage with premium
> gas.
>
> David Giannandrea <david.giannandrea at sbcglobal.net> wrote:
>
> >The knock sensors are used to adjust the spark timing,
> >maybe other stuff too. This allows you to use crappy
> >gas...BUT DON'T. It isn't cost effective, check your
> >mileage to verify, use the best premium.
> >
> >No visible engine codes. The 'knock' is sensed before
> >you will ever hear it as part of normal engine
> >management.
> >
> >So envious.
> >
> >David G.
> >
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