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Old 10-18-2012, 09:12 PM
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kman2424 kman2424 is offline
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Join Date: Oct 2012
Location: Alabama
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Vehicle: 2012 Dodge Ram
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Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Default Gas Pumps Being out of Calibration?

Today I filled the tank on my truck the EVIC was saying 18.0 mpg but after I filled up the Actual number was more like 16.8 mpg (353 miles / 21 gallons filled to the first click) Now that is about a 6.7% error in fuel economy reading. No Surprise there seeing how that seems to be a normal finding on this forum. Also when i was getting gas I had a 5 gallon gas can for my lawn mower can and i filled the the can exactly on the 5 gal mark and the the gas pump said 5.25 gal which is about 4.8% error in the pump. So if my calculations are correct the percent error in my EVIC is more like 1.9% or about 17.65ish mpg (corrected for the pump being off) which sounds correct.

I guess my question is has anyone else found this to be the case when they by gas and put it in a gas can?

If so maybe the EVIC isnt as wrong as everyone says it is or maybe is just don't know how to do math lol and I'm horribly wrong

I did do a little searching just didn't find what i was looking for.
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