Nistune Forums • Weired ECU voltage jumping up and down

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Weired ECU voltage jumping up and down

Posted: Thu Jul 08, 2010 12:14 am

by louiswun

Any hints to fix it would be good !
http://www.youtube.com/watch?v=p9NaMwQm0Pw

Re: Weired ECU voltage jumping up and down

Posted: Thu Jul 08, 2010 9:53 pm

by Eric

could be a grounding problem, bad alternator or bad EFI relay

Re: Weired ECU voltage jumping up and down

Posted: Mon Jul 12, 2010 10:55 am

by Matt

Agreed with grounding issue being potential problem