I fueled earlier today in tonkawa Oklahoma drove 510 miles to Santa Rosa Nm filled up 120 gallons 4.25mpg got to go to phoenix f!@#!! definitly need to go to a shop
bad mpg what to do?
Discussion in 'Ask An Owner Operator' started by nunofreddy, Jun 3, 2014.
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You need to get a K Dubya 680.
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I bet it's the ECM tune.i had an 09 Columbia that the shop turned down to 350 HP. Nothing worked right. Regen won't work correctly, fuel economy was at 4-4.5. The truck was anemic.
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First off, get an ECm print out and see what the average mPG for the trucks life was. If its poor, you could just have a bad motor and theres not tons you can do. I would how ever replace fual and air filters. Either of them clogged can make a huge difference. Next, get the charge air cooler checked for leaks. Check that the overhead is set right. Aldo check that it is regening properly and the DPF isnt clogged. May want a shop to test for back pressure and see if it is abnormally high. If the truck go an average of less then 5 for its lifetime, id sell it.
blairandgretchen Thanks this. -
Richter Thanks this.
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plz don't do to us. -
you need to have diagnostics done.
that will tell you if bad injectors, failing turbo. plugged dpf. what not.
doesn't cost that much. and you'll know what to fix.
sluggish on acceloration sounds like a turbo issue. what is power like climbing hills?nunofreddy Thanks this. -
nunofreddy Thanks this.
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