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Power Strokes
6.7 Aftermarket
2015 dpf on options
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[QUOTE="Ipkyss, post: 1205774, member: 1737"] After being back to stock for the last week. As much as I hate to say it the mileage has gone up at least 1-2 mpg best I can tell (including a regen). I was thinking the mileage was down some from adding weight to the truck and bigger tires but its doing the same 14.7 with mixed driving that it did stock. First few tanks with the superchips seemed promising but im not sure now. I have put 400 miles on the truck and it still won't set readiness. Currently O2s and HTR are showing not complete. Starting to think there is something actually wrong with the truck. [/QUOTE]
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