I've been wondering the same thing. I also get varying gas mileage on road
trips. Let's hope someone comes up with an answer. My overall mileages are
about the same as Dan's, but I've only got about 2000 miles on mine.


"Victor DiMichina" > wrote in message
...
> Is there any way to know if the MDS system on the Hemi is actually
> working? We have a 2005 Magnum RT and there have been trips where I
get
> 24mpg, and others where I can't get better than 20mpg. Cruise control
> is used frequently on these highway trips.
>
> Thanks
> Vic
> 2005 Magnum RT


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