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Volvo D12 running rough when cold with white smoke

Discussion in 'Volvo Forum' started by alpinex, Apr 26, 2013.

Page 1 of 4
  1. Apr 26, 2013 #1
    alpinex

    alpinex Bobtail Member

    7
    0
    Feb 23, 2012
    Miami, FL
    0
    Hey guys, any idea? - 2005 Volvo D12 with 940000 miles. Truck ran fine, I filled up and parked a mile away. Few days later started and hell broke loose. When cold, running rough with rpm up and down almost stalling with white smoke puffing out. When I accelerate and raised rpm to 1500 begins to runs normal. Once temperature gets to 170 gets back to normal smooth idling as well, like nothing is wrong. Fuel filter was changed 18000 miles ago. Is it bad fuel, EGR or ??? Any input? Thank you.
     
    alpinex, Apr 26, 2013
    alpinex, Apr 26, 2013
    #1
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  3. Apr 26, 2013 #2
    Jetsr6

    Jetsr6 Light Load Member

    131
    46
    May 20, 2011
    Mechanicsville, VA
    0
    Maybe a leaking injector or injector o-ring. I used a thermo gun to find witch cylinder it was on the exhaust manifold on cold start up. Or take off exhaust manifold and fire it up to see. I had a injector O-ring go bad in my old Pet.
     
    Jetsr6, Apr 26, 2013
    Jetsr6, Apr 26, 2013
    #2
    alpinex Thanks this.
  4. Apr 26, 2013 #3
    alpinex

    alpinex Bobtail Member

    7
    0
    Feb 23, 2012
    Miami, FL
    0
    Thank you. I will check that.
     
    alpinex, Apr 26, 2013
    alpinex, Apr 26, 2013
    #3
  5. Apr 27, 2013 #4
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,640
    Oct 11, 2010
    Borispol, Ukraine
    0
    usually bad injectors
     
    Pablo-UA, Apr 27, 2013
    Pablo-UA, Apr 27, 2013
    #4
    KB3MMX and alpinex Thank this.
  7. Apr 27, 2013 #5
    nasriza

    nasriza Road Train Member

    2,368
    2,040
    Feb 1, 2013
    Chicago, IL
    0
    Dude you're egr is stuck open a bit you should have a code of the dash either 146 or 266 the truck almost shuts off the. All of a suden a big puff of smoke blows out and it runs again is that what happening right.
     
    nasriza, Apr 27, 2013
    nasriza, Apr 27, 2013
    #5
    KB3MMX, flood and alpinex Thank this.
  8. Apr 27, 2013 #6
    alpinex

    alpinex Bobtail Member

    7
    0
    Feb 23, 2012
    Miami, FL
    0
    Yes, that's right. But no codes. Thanks.
     
    alpinex, Apr 27, 2013
    alpinex, Apr 27, 2013
    #6
  9. Apr 27, 2013 #7
    ingedavi

    ingedavi Light Load Member

    53
    18
    Jan 1, 2008
    Eau Claire, WI
    0
    My truck will do something like this. Change the fuel filters and it's fine again.
     
    ingedavi, Apr 27, 2013
    ingedavi, Apr 27, 2013
    #7
    alpinex Thanks this.
  10. Apr 27, 2013 #8
    nasriza

    nasriza Road Train Member

    2,368
    2,040
    Feb 1, 2013
    Chicago, IL
    0
    I'm almost 100% sure it's egr getting stuck cuz I've seen it bout 1000 times.
     
    nasriza, Apr 27, 2013
    nasriza, Apr 27, 2013
    #8
    PhilKenSebben, KB3MMX, Kanskane and 1 other person Thank this.
  11. Apr 27, 2013 #9
    alpinex

    alpinex Bobtail Member

    7
    0
    Feb 23, 2012
    Miami, FL
    0
    Yes I think so too now, most likely EGR. Did change fuel filter today, no difference. Going to Volvo on Monday - $$$ ouch $$$ I will post the outcome. By the way I've been adding coolant lately, not much but more than usual. Thank you everybody.
     
    alpinex, Apr 27, 2013
    alpinex, Apr 27, 2013
    #9
  12. Apr 27, 2013 #10
    alpinex

    alpinex Bobtail Member

    7
    0
    Feb 23, 2012
    Miami, FL
    0
    Can EGR be cleaned or only replacement? How much typical cost to replace? Should I replace both cooler and the valve?
     
    alpinex, Apr 27, 2013
    alpinex, Apr 27, 2013
    #10
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