avc Posted January 15, 2013 Share Posted January 15, 2013 Tach needle random jump for not reason at idle or slow drive...engine does not reflect any increase of rpm from the jumping? Quote Link to comment Share on other sites More sharing options...
lenore Posted January 15, 2013 Share Posted January 15, 2013 Sounds like a noise problem...Is the check engine light on? Maybe you are having a missfire.... Quote Link to comment Share on other sites More sharing options...
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