volvo cummins. .gray black smoke. .helpppp

Discussion in 'Trucks [ Eighteen Wheelers ]' started by damiralikadic, Aug 23, 2014.

  1. damiralikadic

    damiralikadic Bobtail Member

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    Jul 7, 2012
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    2004 volvo 670 cummins isx ..changed turbo and black/gray smoke extremely... not getting power on gas and codes on for valve too high mid 128....fuel filter pressure drop electrical fault ...egr is off...what could it be everything started once I changed the turbo whole inside of my truck is black from smoke
     
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  3. Mattnatti

    Mattnatti Light Load Member

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    Jul 10, 2014
    Cincinnati, Ohio
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    Bump for some helpful answers. :biggrin_25520:
     
  4. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    What do mean "egr is off"?
     
  5. Bakerman

    Bakerman Road Train Member

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    Phoenix, AZ
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    Sounds like you have a CAC leak. Check all the clamps & hoses to make sure everything is tight & no leaks.
     
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