2006 Volvo d12 EECU Supply voltage

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

  1. dorlia2

    dorlia2 Light Load Member

    Apr 20, 2012
    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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