Check engine lite stays on and voltage flutuates from 12 volts to 14 volts why? Dealer states voltage is normal for this type of vehicle.
Aug 6, 2009 at 9:25 AM
2006 GMC Envoy check engine lite stays on, and voltage flut
KOHO5
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It shouldn't be flutuating when no load being applied-Get the charging system checked out
Aug 6, 2009 at 9:45 AM
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