5v ground wire on D12

Discussion in 'Volvo Forum' started by dorlia2, Jun 6, 2022.

  1. dorlia2

    dorlia2 Light Load Member

    141
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    Apr 20, 2012
    DOWNERS GROVE
    0
    Does anyone know where is the 5v ECM ground wire. I am getting 150 kohms on pin EB18 on a 06 Volvo D12 engine ECM
     
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  3. BIGWEM

    BIGWEM Bobtail Member

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    Mar 22, 2022
    0
    My truck had this problem. Change the oil pressure sensor and see if it solves the problem.
    I have a problem that I can't find out what it is.
    Mid128 pid94 fmi 7
    I changed almost every part in relation to fuel and the truck still tells me fuel feed pressure low and refuses to start
     
  4. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,696
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    Jun 14, 2009
    romulus,mi
    0
    Oil pressure sensor, oil temp. sensor and EGR valve #1/#2 all share 5v reference. 9 times out of 10 one of the EGR valve harness has rubbed and is grounding because they are so long. Usual spot is where they cross over front of engine from passenger side to driver side.
     
  5. BIGWEM

    BIGWEM Bobtail Member

    8
    0
    Mar 22, 2022
    0
    Hello.. do you know what reason would cause diesel not to be flowing through my return line to the fuel tank? My truck cranks but does not start and it does not get its full power when it drives
     
  6. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,696
    1,614
    Jun 14, 2009
    romulus,mi
    0
    Sounds like fuel pump failure. It is a common D12 issue. Fuel pump and accessory drive should (must) be replaced as a pair.
     
  7. BIGWEM

    BIGWEM Bobtail Member

    8
    0
    Mar 22, 2022
    0
    Thanks a lot. I changed the pump only but not the accesory drive. I would change it and see if it solves my problem. Thanks
     
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