Serving Our Country!
Join Date: Jul 2008
Location: Virginia Beach, Va
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Loosing MPG and getting more smoke.
Just trying to gain more knowledge. My truck is at about 190,000 miles right now. Mods are in signature. I have had the tuner for about 15,000 miles or more now. The last 5,000 miles I would say, I have noticed my MPGs dropping and also a lot more smoke than usual. It isnt terrible and I best narrow it to the turbo because it mainly happens at low boost or RPMs. My milage with the chip was initially around 14 mpg (mostly city driving unfortunately.) but it has been dropping and now it is around 12 mpg. Any ideas as to where to look?
Other info: ..... a couple of months back I hauled an enclosed trailer from California to Indiana and back. Ran around 14-17 PSI the whole trip. After that trip is when I started to notice this. EGTs were good the whole trip. I only peaked around 1300 a couple of times for very short periods.
Sorry about the long post. I know it might seem minor but I try to keep on top of things with the truck and am keeping it in the best shape possible. Thanks for any input.
2011 F-250 6.7L FX4 Lariat CCSB Tuxedo Black, Black Leather, 6" Lift w/ 37" Nitto trail grapplers 20" XD rims.