scr fdaults

Discussion in 'Mack Forum' started by joe mack, Jan 8, 2012.

  1. joe mack

    joe mack Bobtail Member

    2
    0
    Jan 8, 2012
    Clayton nm
    0
    I have a 2011 Mack chu613 and experienceing faults with the screen and the display reads screen system fault engine will derate soon. Has anyone had this problem? Any help would be great
     
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  3. joe mack

    joe mack Bobtail Member

    2
    0
    Jan 8, 2012
    Clayton nm
    0
    In my post the word screen should be just scr which is part of the catalyst system
     
  4. .5 Past Twelve

    .5 Past Twelve Light Load Member

    89
    30
    Jun 17, 2012
    0
    Your injector cups probably are bad. Or you have REGEN issues.
     
  5. sasquash

    sasquash Bobtail Member

    3
    0
    Feb 24, 2013
    0
    my company has had lots of this starts when ous have about 280k on them had to change wiring harnes and def filteron passanger side to fix it
     
  6. markster1957

    markster1957 Light Load Member

    65
    20
    Jan 21, 2014
    boise id
    0
    Go to the dealer dont waste time trying to fix it your self
     
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