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Fuel help plz.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jr2nott, Feb 14, 2010.

  1. Feb 14, 2010 #1
    jr2nott

    jr2nott Bobtail Member

    14
    0
    Dec 21, 2009
    Denver, Co.
    0
    I have a 05 pete 387 and im getting about 4.02 mpg and I can't understand why.

    1. what mpg should I get with this truck 5+??? 6.25?
    2. what are some things to check I have stop at TA twice and nothing
    3. I have been told to change the actuator(s) there $515.00 each and 4 of them
    4. ???? :biggrin_25513::biggrin_25513::biggrin_25513:
     
    jr2nott, Feb 14, 2010
    jr2nott, Feb 14, 2010
    #1
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  3. Feb 14, 2010 #2
    otherhalftw

    otherhalftw R.I.P.

    13,081
    45,332
    Nov 18, 2008
    CA...gold discovery foothills
    0
    Couldn't really help you much outside of: Try going downhill more!

    I'm sorry....some things are just impossible to pass up!:biggrin_25525:
     
    otherhalftw, Feb 14, 2010
    otherhalftw, Feb 14, 2010
    #2
    shriner75 Thanks this.
  4. Feb 14, 2010 #3
    jr2nott

    jr2nott Bobtail Member

    14
    0
    Dec 21, 2009
    Denver, Co.
    0
    Thats not right but thanks
     
    jr2nott, Feb 14, 2010
    jr2nott, Feb 14, 2010
    #3
  5. Feb 14, 2010 #4
    otherhalftw

    otherhalftw R.I.P.

    13,081
    45,332
    Nov 18, 2008
    CA...gold discovery foothills
    0
    You're right it wasn't....but.....a hell you understand.

    Good luck with the problem...be safe!
     
    otherhalftw, Feb 14, 2010
    otherhalftw, Feb 14, 2010
    #4
  7. Feb 14, 2010 #5
    power freak

    power freak Light Load Member

    220
    60
    Apr 23, 2009
    0
    what engine do you have what weight loads are you pulling. Did you check your intake system for leaks air filter and the basics first
     
    power freak, Feb 14, 2010
    power freak, Feb 14, 2010
    #5
  8. Feb 14, 2010 #6
    jr2nott

    jr2nott Bobtail Member

    14
    0
    Dec 21, 2009
    Denver, Co.
    0
    Cummins Isx and the loads are less than 44K on a flat more like 36K to 40K avg. there is no air leaks tires are good I tryed 60/65 mph but that only change the avg 0.3 mpg and I can say I have had a day cab with 370HP and 500HP ISX I belive has 530 this thing does NOT have 530HP runs like 380-420 on flat
     
    jr2nott, Feb 14, 2010
    jr2nott, Feb 14, 2010
    #6
  9. Feb 20, 2010 #7
    emptypockets8125

    emptypockets8125 Bobtail Member

    28
    7
    Feb 20, 2010
    Waxhaw, NC
    0
    I had a 06 International 9900i day cab, 500 ISX, 13 speed and I only got 5. mpg. on a good day. I tried everything to get mine up and nothing helped.
     
    emptypockets8125, Feb 20, 2010
    emptypockets8125, Feb 20, 2010
    #7
  10. Feb 20, 2010 #8
    Roadhound

    Roadhound Light Load Member

    283
    113
    Jan 31, 2007
    Tennessee
    0
    I used to have a 387 and pulling a step deck, almost always pushing 80,000 lbs, I could average 6.5 mpg. It had a C15 Cat, single turbo. If it feels "sick" or down on power, I would have the air to air system pressure tested. Also, you could have an exhaust restriction. The muffler may be stopped up. Does it run smooth, just no power?
     
    Roadhound, Feb 20, 2010
    Roadhound, Feb 20, 2010
    #8
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