Volvo VNL 780 loss power and speedometer

Discussion in 'Volvo Forum' started by JayFlow116, May 22, 2017.

  1. boneebone

    boneebone Road Train Member

    2,234
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    Mar 13, 2009
    0
    Your truck is a 2006, if the Pedal has never been changed, it's very probable that it's the problem.

    You already determined it's not the ECU.

    I would suggest to remove your Pedal and check it for side to side movement.

    Unfortunately you need to do the process of elimination without throwing parts at it.

    Without the ECU throwing a code, it's hard to determine what it could be until it gets worse or you replace the part.
     
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  3. Sammarook

    Sammarook Bobtail Member

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    Jul 31, 2018
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    Please help I have same problems
     
  4. rafal76

    rafal76 Bobtail Member

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    Jan 15, 2013
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    somebody responded in other thread that it was speed sensor on. the transmission. we
     
  5. maximum

    maximum Bobtail Member

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    Aug 25, 2014
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    Which thread? Can I get a link please?
    I am having the same issue and replacing accelerator pedal didn’t help.
     
  6. Sdatruckinginc

    Sdatruckinginc Bobtail Member

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    Jan 18, 2019
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    My speed sensor quit couldn’t shift or accelerate removed it and it was in pieces 07 780 VED12 10 speed autoshift and tranny stuck in gear till I stopped and killed truck
     
  7. Sdatruckinginc

    Sdatruckinginc Bobtail Member

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    Jan 18, 2019
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    Well got mine going had abs and tcs light on everyone kept telling me no derate over that but pulled two abs fuses and breaker works perfect now so on to brake repair now
     
  8. Hawraz

    Hawraz Bobtail Member

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    Jul 3, 2021
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    Hi, I have same problem I spent a lot of money would u please let me know how you fixed ?
     
    Dub Dubberly Thanks this.
  9. Hawraz

    Hawraz Bobtail Member

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    1
    Jul 3, 2021
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    I have same problem would you please let me know how you fixed ?
     
  10. Hawraz

    Hawraz Bobtail Member

    7
    1
    Jul 3, 2021
    0
    I have same problem would you please let me know how you fixed ?
     
  11. Hawraz

    Hawraz Bobtail Member

    7
    1
    Jul 3, 2021
    0
    I have same problem would you please let me know how you fixed ?
     
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