d13 volvo fuel pressure issue?

Discussion in 'Volvo Forum' started by Giovanni, Feb 5, 2019.

  1. Giovanni

    Giovanni Bobtail Member

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    Dec 7, 2016
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    Does any body know about volvo d13 (mp8) motor?
    Having a issue with fuel preassure.truck will not go over 1500 rpm
    put a gauge on fuel line reads 60psi constant.ecm reads 90psi.
    truck idles perfect.the minute i get up to 1500rpm it wont give me any more.
    changed preasure censor.did nothing.checked for air leak in return line no air.
    can some body steer me in the right direction.anybody have this issue before?
    Thanks
     
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  3. Socal Xpress

    Socal Xpress Road Train Member

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    Are you doing this at a stop or driving down the highway? Stick or Ishift transmission?

    If you do this at park......depress the clutch and hammer down. It's been awhile since I driven an Ishift.

    Last question............what's the propose of taking it pasted 1500rpm? Unless you are pulling a mountain(heavy) and you want to maintain speed/gear.
     
  4. DUNE-T

    DUNE-T Road Train Member

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    Detroit, MI
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    Did you just get this truck or have you had it for a while? Maybe ECM is set up not to go over 1500 rpm
     
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  5. Giovanni

    Giovanni Bobtail Member

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    Dec 7, 2016
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    i can reb motor up well pass 1500 rpm at a stand still.
    10 speed trans.Manual
    have no power pulling up hills on a light load.
    Thanks for reply.
     
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  6. Giovanni

    Giovanni Bobtail Member

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    Dec 7, 2016
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    have boost.ecm shows 90psi
    gauge shows 60psi constant.
     
  7. Giovanni

    Giovanni Bobtail Member

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    Dec 7, 2016
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    had truck for 2years
    had injector cups replaced 3 months prior.
    when trying to go up a hill theres no power engine shakes have to reduce throttle.
     
  8. Giovanni

    Giovanni Bobtail Member

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    Dec 7, 2016
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    driving down highway
    stick
    at 1400 rpm there nothing after that no power to get uphill.
     
  9. Stormrider702

    Stormrider702 Bobtail Member

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    Dec 4, 2014
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    Did you find out what the problem was? I have same issue.
     
  10. mladen86

    mladen86 Medium Load Member

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    Aug 23, 2012
    Chicago,il
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    When my truck wouldn’t go over 1500rpm problem was speed sensor.
     
  11. Rob100100

    Rob100100 Light Load Member

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    Mar 5, 2016
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    Most likely injectors/cups issue. You would need to have an air test done to determine if that is the issue though. Might want to take it back to the place that did the new injectors and cups. Also might be bad air to air, possibly just possibly your air filter is plugged but that has different problems. Check everything for air leaks or loose clamps first though just to be sure.
     
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