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03 6NZ CAT Vibration

Discussion in 'Trucks [ Eighteen Wheelers ]' started by largecar1, Dec 29, 2011.

Page 2 of 2
  1. Dec 31, 2011 #11
    PaulE

    PaulE Medium Load Member

    413
    145
    Jan 15, 2009
    Verona Wi
    0
    I had a 94 DD 60 that threw random codes that made no sense . rough idle and had a miss at times. turned out to be injector harness. insulation wore or cracked allowing oil in.
     
    PaulE, Dec 31, 2011
    PaulE, Dec 31, 2011
    #11
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  3. Dec 31, 2011 #12
    Semi Crazy

    Semi Crazy Road Train Member

    3,033
    2,044
    May 13, 2011
    Middle Tennessee
    0
    Could even be worn pilot bearing but that doesn't address the codes.
     
    Semi Crazy, Dec 31, 2011
    Semi Crazy, Dec 31, 2011
    #12
  4. Jan 1, 2012 #13
    rollinsmoke10

    rollinsmoke10 Bobtail Member

    26
    1
    Oct 11, 2009
    0
    how do you back the clutch out?
     
    rollinsmoke10, Jan 1, 2012
    rollinsmoke10, Jan 1, 2012
    #13
  5. Jan 11, 2012 #14
    largecar1

    largecar1 Bobtail Member

    3
    0
    Dec 29, 2011
    0
    After a full day at CAT we changed the coolant temp sensor that feeds the ECM. That has seemed to help so far. No more shake rollin down the road.. #1 injector is still dead at idle when warm. Only at idle. So I'll try changing the injector harness and see what that does.
     
    largecar1, Jan 11, 2012
    largecar1, Jan 11, 2012
    #14
  7. Apr 6, 2013 #15
    bigstank

    bigstank Light Load Member

    87
    19
    Mar 4, 2013
    missouri
    0
    My 6nz did the same with code 42 changed cam n crankshaft sensors and new wire harness. It was the idler gear was jumping the time 2 teeth
     
    Last edited: Apr 7, 2013
    bigstank, Apr 6, 2013
    bigstank, Apr 6, 2013
    #15
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