D12 Loses power

Discussion in 'Volvo Forum' started by waltherz, Mar 8, 2014.

  1. Mar 8, 2014 #1
    waltherz

    waltherz Light Load Member

    133
    13
    Dec 12, 2012
    0
    I replaced the head valves 1 month ago, after that my 04 d12 465 loses power. Has new EGR and no code. Turbo boost sow 3/4 pulling. Replaced fuel pump and fuel filters.
    Usually I pass Pennsylvania loaded w/ one shift down, but now 2 or 3 shift down. Could be injectors pressure?
    Thanks.
     
    waltherz, Mar 8, 2014
    waltherz, Mar 8, 2014
    #1
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  3. Apr 13, 2014 #2
    mike23

    mike23 Bobtail Member

    6
    5
    Feb 22, 2014
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    i had 2011 volvo d13 motor same problem no code loss of power mine turn out to be bad injectors sleeve it was sucking air in and you can see air buble in tank.but i had them replace the injector and sleeve at the same time it fix the problem
     
    mike23, Apr 13, 2014
    mike23, Apr 13, 2014
    #2
  4. Apr 13, 2014 #3
    fisher1

    fisher1 Bobtail Member

    4
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    Dec 4, 2011
    clinton mo
    0
    you check buster sencer on manifold see if it is burnt
     
    fisher1, Apr 13, 2014
    fisher1, Apr 13, 2014
    #3
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