hello

B

bow_time

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Jun 10, 2008
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Hey guys and gals.Im new here,Just joined.Trying to find some help with a 2005 duramax.I just bought it,I love the truck but so far the ful mileage is stinking bad.13.3 to 14.4 mpg.I just had a superchip program installed.It was supposedly set on economy I checked my first tank and got 12.7 mpg.I called the co.And they said to put the setting on perf/tow mode and I just filled up a tank to check.Does anyone have any suggestions????Thanks for your help...Bowtime
 
Welcome to CompD!!! Try asking about your mileage issue in the Dmax section, someone should be able to help you out.

-Tom
 
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