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Topics - Fisherguy

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General Discussion / MPG calibrations
« on: January 15, 2013, 06:15:41 PM »
I have bigger than stock tires on my Ram truck, I also have a programmer I used to correct my speedometer, odometer etc. 

So first question is will the UG read the correct values or will it also need to be calibrated fo speed/distance?  I don't have the UG setup to show distance or speed but maybe  that's why I'm getting such crazy MPG values displayed?

Next question is, when I fill up I go in and manually input the amount of fuel I actually put in, but when I go back from there and start driving the average MPG always seems to start out displaying 70 MPG, then slowly goes down from there.  The MPG display I'm seeing is ALL OVER the place with this thing, way out to lunch.

 

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