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sluggish idle, blows white smoke from exhaust

Discussion in 'Trucks [ Eighteen Wheelers ]' started by mirelb, May 31, 2015.

Page 1 of 2
  1. May 31, 2015 #1
    mirelb

    mirelb Bobtail Member

    6
    0
    May 31, 2015
    0
    hi
    i have a 2006 volvo d12 engine and just few days ago i noticed a rough idle and white smoke out of the exhaust.
    the rpms drop below 5 it almost wants to shut off the the rpm goes up to 7 but at that time it spitts white smoke out of the exhaust. i have just changed the fuel filter two weeks ago and don't know what it might cause that.
    can anyone help please?
     
    mirelb, May 31, 2015
    mirelb, May 31, 2015
    #1
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  3. May 31, 2015 #2
    csw1818

    csw1818 Medium Load Member

    377
    139
    Feb 6, 2014
    pinehurst, nc
    0
    is it using oil? And is the exhaust sweet smelling?
     
    csw1818, May 31, 2015
    csw1818, May 31, 2015
    #2
  4. Jun 1, 2015 #3
    blanco

    blanco Road Train Member

    1,221
    296
    Nov 20, 2009
    Gwinnett County, GA
    0
    egr cooler
     
    blanco, Jun 1, 2015
    blanco, Jun 1, 2015
    #3
    flood Thanks this.
  5. Jun 2, 2015 #4
    mirelb

    mirelb Bobtail Member

    6
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    May 31, 2015
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    no i never have to add any oil between oil changes
     
    mirelb, Jun 2, 2015
    mirelb, Jun 2, 2015
    #4
  7. Jun 2, 2015 #5
    mirelb

    mirelb Bobtail Member

    6
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    May 31, 2015
    0
    how much is that to fix it???
     
    mirelb, Jun 2, 2015
    mirelb, Jun 2, 2015
    #5
  8. Jun 2, 2015 #6
    Skate-Board

    Skate-Board Road Train Member

    3,801
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    Aug 9, 2014
    Merrimack, NH
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    I had water in my fuel and mine blew white smoke and idled rough. Put 911 and a new fuel filter in and that solved it.
     
    Skate-Board, Jun 2, 2015
    Skate-Board, Jun 2, 2015
    #6
  9. Jun 3, 2015 #7
    mirelb

    mirelb Bobtail Member

    6
    0
    May 31, 2015
    0
    Thanks for the tip. I was told to change the fuel filter but I just had it changed two weeks ago. Should I do it again?
     
    mirelb, Jun 3, 2015
    mirelb, Jun 3, 2015
    #7
  10. Jun 4, 2015 #8
    Skate-Board

    Skate-Board Road Train Member

    3,801
    3,994
    Aug 9, 2014
    Merrimack, NH
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    I would treat your fuel with 911 then drive for an hour or so then change the fuel filters. If you have a Davco filter go outside and drain some into a cup and see if you see any water.

    When it happened to me I was blowing a lot of white smoke. Some guy drove by me in a crusty voice and told me the same thing and disappeared into the night.

    911 doesn't get rid of water. It breaks it up into very tiny water bubbles so it can pass through without it causing anymore problems.
     
    Skate-Board, Jun 4, 2015
    Skate-Board, Jun 4, 2015
    #8
  11. Jun 4, 2015 #9
    maxya1986

    maxya1986 Light Load Member

    73
    13
    Feb 17, 2015
    0
    EGR cooler. About 1500$ to replace.
     
    maxya1986, Jun 4, 2015
    maxya1986, Jun 4, 2015
    #9
    flood Thanks this.
  12. Jun 4, 2015 #10
    sailboatjim

    sailboatjim Light Load Member

    292
    173
    Aug 27, 2014
    Boston, Mass
    0
    I always like to check where others have been first.
    Maybe it's come loose.
    Wrong filter etc.etc
     
    sailboatjim, Jun 4, 2015
    sailboatjim, Jun 4, 2015
    #10
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