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5EK cat 475 to 550 needing a new set of nards any help??

Discussion in 'Trucks [ Eighteen Wheelers ]' started by doublew, Oct 17, 2010.

  1. Oct 17, 2010 #1
    doublew

    doublew Light Load Member

    68
    7
    Oct 17, 2010
    Kansas
    0
    ok here is my prob i have a 5ek cat 2 years ago i took it in and had a inframe went from 475 to 550 ran great a year ago took it back in to have the over head ran BAD MISTAK..E now it runs like someone stole its man hood..lol...took it back cat they said ohhh sorry the ecm was not low nox so we had to low nox it...thanks...30psi boost 1050egt on hard pull and will get 5 to 5.5mpg but runs like crap is there any help or do i just need a new programable ecm??did the harnesses and the waste gate vac line is blocked did see much diff..now what maybe i need to get a fake set of those nards to hang on it maybe that will help
    thanks
     
    doublew, Oct 17, 2010
    doublew, Oct 17, 2010
    #1
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  3. Oct 17, 2010 #2
    power freak

    power freak Light Load Member

    220
    60
    Apr 23, 2009
    0
    Mr. Haney can help you here unfortunatly cat just cost you a reflash. I am sure he will be along in a little bit.
     
    power freak, Oct 17, 2010
    power freak, Oct 17, 2010
    #2
  4. Oct 17, 2010 #3
    doublew

    doublew Light Load Member

    68
    7
    Oct 17, 2010
    Kansas
    0
    great i will keep an eye out for him.. i cant believe it killed the HP that much ran better has a 475hp with 900,000 miles does this souund right??
     
    doublew, Oct 17, 2010
    doublew, Oct 17, 2010
    #3
  5. Oct 17, 2010 #4
    Gambino1994

    Gambino1994 Light Load Member

    184
    98
    Jan 22, 2009
    causing a situation
    0
    Same ##### happened to me. My 94 pete with a 5EK had the ecm fail last summer and i bought a new ecm from the local kw dealer who also programmed it. Big mistake, it used to get 33-36psi on a pull now it never sees 30psi and is nowhere near as responsive in my opinion.

    I talked to MR HANEY a couple times on the phone and I am definately sending my new ecm to him shortly. He has ALL the PRE LOW NOX files for our 5EK motors.
     
    Gambino1994, Oct 17, 2010
    Gambino1994, Oct 17, 2010
    #4
  7. Oct 17, 2010 #5
    Mr. Haney

    Mr. Haney Road Train Member

    2,693
    2,035
    Dec 17, 2008
    0
    Your ECM can be flashed with the old files to bring back the performance and fuel mileage you've lost. No need to buy a new ECM.

    I have the old files if you're interested in flashing it back to a Pre LOW NOX. You'll have to keep CAT out of the ECM afterwards, to keep them from doing this again.
     
    Mr. Haney, Oct 17, 2010
    Mr. Haney, Oct 17, 2010
    #5
  8. Oct 19, 2010 #6
    doublew

    doublew Light Load Member

    68
    7
    Oct 17, 2010
    Kansas
    0
    thanks we will be talkin to ya soon mr haney
     
    doublew, Oct 19, 2010
    doublew, Oct 19, 2010
    #6
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