Post subject: Something is not right with my fuel saver tune??
Posted: Tue Oct 07, 2008 1:14 pm
Joined: Tue May 29, 2007 2:18 pm Posts: 7
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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