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Caterpillar c12

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by truckerbangin, Apr 3, 2020.

Page 1 of 2
  1. Apr 3, 2020 #1
    truckerbangin

    truckerbangin Light Load Member

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    Jan 22, 2013
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    Good day all got a Freightliner fld112 with a cat c12 but it runs like a slug. It’s my first cat truck so don’t know there issues or what gets them to go
     
    truckerbangin, Apr 3, 2020
    truckerbangin, Apr 3, 2020
    #1
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  3. Apr 3, 2020 #2
    Brettj3876

    Brettj3876 Road Train Member

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    Nov 18, 2014
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    You check all the basics? Fuel filters, air filter, boost leaks. Can't help ya anymore than that. Someone who knows cats will help

    What year engine, what rears and trans? If your coming out of a 500hp + big bore the 12L isn't gonna feel like your used to
     
    Brettj3876, Apr 3, 2020
    Brettj3876, Apr 3, 2020
    #2
    Dino soar and Shawn2130 Thank this.
  4. Apr 3, 2020 #3
    wtokhi

    wtokhi Light Load Member

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    Nov 3, 2017
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    is it a 2ks c-12?
     
    wtokhi, Apr 3, 2020
    wtokhi, Apr 3, 2020
    #3
  5. Apr 3, 2020 #4
    truckerbangin

    truckerbangin Light Load Member

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    Jan 22, 2013
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    C12
    Esn 9NS03129
     
    truckerbangin, Apr 3, 2020
    truckerbangin, Apr 3, 2020
    #4
  7. Apr 3, 2020 #5
    truckerbangin

    truckerbangin Light Load Member

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    Jan 22, 2013
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    Will check intercooler on Monday but everything else is ok. It has 3.73 rears in it. It runs nothing like a Detroit 12.7
     
    truckerbangin, Apr 3, 2020
    truckerbangin, Apr 3, 2020
    #5
  8. Apr 3, 2020 #6
    Brettj3876

    Brettj3876 Road Train Member

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    @SAR or @spsauerland might be able to help.

    Mileage and what hp does the engine tag say?
     
    Brettj3876, Apr 3, 2020
    Brettj3876, Apr 3, 2020
    #6
    Shawn2130 Thanks this.
  9. Apr 3, 2020 #7
    truckerbangin

    truckerbangin Light Load Member

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    Jan 22, 2013
    0
    Who is a great cat guy to get ecm fixed
     
    truckerbangin, Apr 3, 2020
    truckerbangin, Apr 3, 2020
    #7
  10. Apr 3, 2020 #8
    Chubby Fly

    Chubby Fly Medium Load Member

    569
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    Nov 25, 2019
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    Mine puls like a raped ape. Eh, maybe its becase i threw a 500+hp tune on it and added the diesel freaks boost harness on it to top it off
     
    Chubby Fly, Apr 3, 2020
    Chubby Fly, Apr 3, 2020
    #8
  11. Apr 3, 2020 #9
    wtokhi

    wtokhi Light Load Member

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    Nov 3, 2017
    0
    what do u mean by slug? always? sometimes? what are the symptoms
     
    wtokhi, Apr 3, 2020
    wtokhi, Apr 3, 2020
    #9
  12. Apr 3, 2020 #10
    Chubby Fly

    Chubby Fly Medium Load Member

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    Nov 25, 2019
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    What year is the truck
     
    Chubby Fly, Apr 3, 2020
    Chubby Fly, Apr 3, 2020
    #10
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