--- In subaruimprezaoutbacksport@yahoogroups.com, "jeff7a"
<jeff7a@...> wrote:
>
> During the past two weeks my fuel economy has dipped by at least 5 mpg
> on my '08 OBS.
> I live in the Chicago area where it has been snowy on the roads and
> the temp has ranged between 0 and 20. The average MPG read-out starts
> out at 19 when I add some gas to fill the tank and then within a few
> miles, dips to 17 and basically won't move by more than 1 mpg or so.
> That read-out is accurate, I calculated it the old fashioned way and
> it was also 17. The TPMS alerted me to pump up the tires a few weeks
> ago and now they are at the levels as listed in the owners manual for
> winter conditions.
> I am a conservative driver (as much as possible when driving on snow
> covered streets)and just a few weeks ago, I was getting 21 to 23 mpg
> and during the summerit was reaching 27.
> Any thoughts would be appreciated.
> Jeff
>
Snow tires? and driving tru sno? Max