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Power Strokes
6.7 Aftermarket
Mpg
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[QUOTE="HeavyAssault, post: 1500987, member: 782"] I don't know about an intact EGR system "adding" MPGs, but I can say removing the EGR system has added MPGs and been sustained. After March '15 the MPGs are increased and sustained over 16+ using various fuel additives. Some updates to my tuning have been applied, this is using the basic X4 device with aftermarket files. I'd love to add more MPGs with other tuning files, but the truck runs quite well for my needs and desires. This graph below represents over 99k miles of driving, if you got other evidence to show please post it up. Last I recall the EGR uses exhaust gases, not "un-burnt fuel". The purpose is to help "burn off" particulates that make up parts of the exhaust (soot??) by forcing them back thru the cylinders for another combustion cycle. I would need more info but highly doubt those particles are in any way a source of energy that allows for the creation of power in the motor. [/QUOTE]
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