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Cascadia Lower MPG and Higher DEF usage

Discussion in 'Freightliner Forum' started by Bob.g, Nov 15, 2016.

Page 1 of 5
  1. Nov 15, 2016 #1
    Bob.g

    Bob.g Light Load Member

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    Sep 28, 2015
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    in the past two weeks i have noticed that my truck is burning through DEF faster and i have a lower mpg then i did before. I drive a 2011 Freighliner Cascadia. Thank You in advance
     
    Bob.g, Nov 15, 2016
    Bob.g, Nov 15, 2016
    #1
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  3. Nov 15, 2016 #2
    daf105paccar

    daf105paccar Road Train Member

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    Apr 15, 2012
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    The mpg is the real problem.
    The DEF is related to the mpg.
     
    daf105paccar, Nov 15, 2016
    daf105paccar, Nov 15, 2016
    #2
    Bob.g Thanks this.
  4. Nov 15, 2016 #3
    RocketyMan

    RocketyMan Medium Load Member

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    Jun 5, 2015
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    Any fault codes? What engine do you have? Any change of route or load?
     
    RocketyMan, Nov 15, 2016
    RocketyMan, Nov 15, 2016
    #3
    Bob.g Thanks this.
  5. Nov 15, 2016 #4
    Bob.g

    Bob.g Light Load Member

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    Sep 28, 2015
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    no codes nothing i have a DD15. I drove same route same load everything but my mpg is lower im not sure why
     
    Bob.g, Nov 15, 2016
    Bob.g, Nov 15, 2016
    #4
  7. Nov 15, 2016 #5
    Bob.g

    Bob.g Light Load Member

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    Sep 28, 2015
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    I went from about 7.8 MPG to 6.5 MPG without an explanation
     
    Bob.g, Nov 15, 2016
    Bob.g, Nov 15, 2016
    #5
  8. Nov 15, 2016 #6
    SLCTrucker

    SLCTrucker Medium Load Member

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    Jan 15, 2009
    Salt Lake City UT
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    What route do you run? Could be the switch to winter blend fuel or though 1.3mpg drop is pretty big.
     
    SLCTrucker, Nov 15, 2016
    SLCTrucker, Nov 15, 2016
    #6
    Bob.g Thanks this.
  9. Nov 16, 2016 #7
    RocketyMan

    RocketyMan Medium Load Member

    549
    337
    Jun 5, 2015
    0
    How often are you re-genning? Are they happening more OTR or stationary?
     
    RocketyMan, Nov 16, 2016
    RocketyMan, Nov 16, 2016
    #7
    Bob.g Thanks this.
  10. Nov 16, 2016 #8
    Bob.g

    Bob.g Light Load Member

    74
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    Sep 28, 2015
    0
    Detroit to Greenville NC, i dont think that the fuel is the problem
     
    Bob.g, Nov 16, 2016
    Bob.g, Nov 16, 2016
    #8
  11. Nov 16, 2016 #9
    Bob.g

    Bob.g Light Load Member

    74
    23
    Sep 28, 2015
    0
    the truck is regenning by its self when im on the road it did yesterday
     
    Bob.g, Nov 16, 2016
    Bob.g, Nov 16, 2016
    #9
  12. Nov 16, 2016 #10
    mhyn

    mhyn Road Train Member

    4,255
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    Dec 29, 2008
    Northridge, CA
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    how do you know it did regen?
     
    mhyn, Nov 16, 2016
    mhyn, Nov 16, 2016
    #10
    Bob.g Thanks this.
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