my tach all of a sudden wobbly

joho5

Chief Petty Officer
Joined
Aug 14, 2008
Messages
456
My tach now gets wobbly when I accelerate. It sometimes says still and acts normal, but most of the time itll wobble around. It stays in the general area of where its supposed to be, but wobbles around a bit.

Like say If I am running at WOT at 5,500 rpms, itll wobble from about 5,100 to about 5,700.

what could be the problem? Bad tach? Or is there interference somewhere?

thanks
 
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