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KTA 19 Cummins slow idle return?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by oldson81, Apr 23, 2016.

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  1. Apr 23, 2016 #1
    oldson81

    oldson81 Bobtail Member

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    Apr 8, 2016
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    Any ideas why my KTA 19 holds it revs for a few seconds before returning to idle? When changing gears etc you have to wait before changing some time (bout 3 seconds) for revs to drop. Just another issue with this old project I'm trying to iron out!!
     
    oldson81, Apr 23, 2016
    oldson81, Apr 23, 2016
    #1
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  3. Apr 23, 2016 #2
    Old Man

    Old Man Road Train Member

    4,597
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    Apr 3, 2009
    Oklahoma City, OK
    0
    Make sure the fuel return is not restricted
     
    Old Man, Apr 23, 2016
    Old Man, Apr 23, 2016
    #2
    tony97905 and oldson81 Thank this.
  4. Apr 24, 2016 #3
    Ozdriver

    Ozdriver Heavy Load Member

    767
    1,390
    Oct 16, 2015
    Australia
    0
    Throttle linkages stiff? Linkage return springs not enough tension?
     
    Ozdriver, Apr 24, 2016
    Ozdriver, Apr 24, 2016
    #3
  5. Apr 24, 2016 #4
    oldson81

    oldson81 Bobtail Member

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    Apr 8, 2016
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    Linkages are good. Still plays up if I operate the linkage on the side of the pump by hand.
     
    oldson81, Apr 24, 2016
    oldson81, Apr 24, 2016
    #4
  7. Apr 24, 2016 #5
    BoxCarKidd

    BoxCarKidd Road Train Member

    4,186
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    Aug 26, 2014
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    Air in fuel supply line will do that with PT pumps. Look for a damp or rubbed spot on supple lines. Install a sight glass between pump and fuel line.
     
    BoxCarKidd, Apr 24, 2016
    BoxCarKidd, Apr 24, 2016
    #5
    wore out, Oxbow and oldson81 Thank this.
  8. Apr 24, 2016 #6
    oldson81

    oldson81 Bobtail Member

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    Cheers!! I'll be checking this as soon as I get home in a few days.
     
    oldson81, Apr 24, 2016
    oldson81, Apr 24, 2016
    #6
  9. Apr 24, 2016 #7
    Superhauler

    Superhauler TEACHER OF MEN

    12,209
    100,723
    Jan 30, 2010
    keep stroking.
    0
    You get tired of that old iron, I'll take it off your hands! It's just a hop across the pond! LOL
     
    Superhauler, Apr 24, 2016
    Superhauler, Apr 24, 2016
    #7
  10. Apr 24, 2016 #8
    oldson81

    oldson81 Bobtail Member

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    Apr 8, 2016
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    Australia :) The KTA is in an old W model that I am trying to get back on the road. There are very few trucks over here running KTA's and its sure to turn plenty of heads!!
     
    oldson81, Apr 24, 2016
    oldson81, Apr 24, 2016
    #8
  11. Apr 24, 2016 #9
    passingthru69

    passingthru69 Road Train Member

    8,740
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    Jul 12, 2009
    davenport,Ia / ratchaburi, thailand
    0
    Heck, I'll trade you your Kt for my Detroit.. plus a few dollars.. lol
     
    passingthru69, Apr 24, 2016
    passingthru69, Apr 24, 2016
    #9
    oldson81 Thanks this.
  12. Apr 24, 2016 #10
    Ozdriver

    Ozdriver Heavy Load Member

    767
    1,390
    Oct 16, 2015
    Australia
    0
    There's a C501 here with a KTA 600 hauling double and triple roadtrains. He's taken off the jacket water aftercooler and air-to-air aftercooled it.
    I used to drive a W series with a K19 hauling triple nickel concentrate tankers in WA back in the '80s.
    image.jpeg
     
    Ozdriver, Apr 24, 2016
    Ozdriver, Apr 24, 2016
    #10
    Oxbow, charlie1403, oldson81 and 1 other person Thank this.
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