My 2018 cascadia is using too much fuel?

Discussion in 'Freightliner Forum' started by Momcilo, Dec 18, 2017.

  1. Momcilo

    Momcilo Bobtail Member

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    Dec 18, 2017
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  3. Momcilo

    Momcilo Bobtail Member

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    Dec 18, 2017
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    Thanks everyone
    Called the dealership today and they said it shouldn’t be happening, I am bringing the truck in on Wednesday and hopefully they can figure out what’s going on!
     
    skytrash Thanks this.
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  5. ZVar

    ZVar Road Train Member

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    Did they ever get any clues for what could be wrong?
     
  6. Momcilo

    Momcilo Bobtail Member

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    Dec 18, 2017
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    They said that the brakes were a bit too tight and sometimes they get stuck, all because the truck is so new. Also told me it takes about 30000 miles for the truck to get “broken in”
     
  7. Roberts450

    Roberts450 Road Train Member

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    Drum or disk brakes?
     
  8. AModelCat

    AModelCat Road Train Member

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    Brakes too tight. Sounds like a line of horse #### to me. If your brakes are dragging enough to cause a possible 3 mpg loss I'm thinking your truck would've been a smoldering pile of ash on the side of the highway by now.
     
  9. uncleal13

    uncleal13 Road Train Member

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    Two recent Detroit’s that I’ve had, (a 2013 DD15 and a 2016 DD16).
    The first few months were not to good, got much better after 50,000 miles. Still improved all the way out to 95,000 miles before settling in.
    I can break 5 US mpg in the summer, just under 4 US mpg in the winter pulling 140,000 lbs on the Canadian Prairies.
     
  10. Oldironfan

    Oldironfan Road Train Member

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    Sounds like a lemon truck built on Monday. To bad only Wisconsin has lemon laws for commercial trucks.
     
  11. mnmover

    mnmover Road Train Member

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    Could be problem with accelerator, the sensor might be bad, not telling engine to accelerate.
     
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