2006 Volvo d12 EECU Supply voltage

Discussion in 'Volvo Forum' started by dorlia2, Nov 9, 2021.

  1. dorlia2

    dorlia2 Light Load Member

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    Apr 20, 2012
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    Anyone had supply voltage jumping all over the place like that. All other ECMs register same as battery potential. I don’t think that it’s normal bit any input will be useful.
    I am hunting down a problem which cuts the engine power for a split second under heavy load. As if acc pedal is depressed. Checked fuel pressure, fuel return valve, accelerator pedal position, boost pressure. Everything is normal
     

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