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Something is not right with my fuel saver tune??

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helopilot30540
 Post subject: Something is not right with my fuel saver tune??
 Post Posted: Tue Oct 07, 2008 1:14 pm 
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Joined: Tue May 29, 2007 2:18 pm
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Ok I downloaded the new fuel saver tune and have been trying it out for the past couple of weeks and I am not happy. Something has to be wrong with this tune. My driving style is modest with under 2k rpm shifts and around 1700-1800 rpm at highway speeds. This last tank is just going to barely break 12 mpg. My truck has never got great mileage but this *h on performance mode it gets about 15.5 mpg. My tuner did lockdown when I updated with the new tune. I called and the techs had it fixed. I need some suggestions.
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RON @ SUPERCHIPS
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 Post Posted: Fri Oct 10, 2008 8:48 am 
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Location: SUPERCHIPS
Run it for a few tanks of fuel and do an average.
Ron

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Board index » VEHICLE SPECIFIC » GM Duramax

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