Dennis Johnson's Blog (1)

VDO 2 1/4 tach problem

The tach for my 912 is giving me fits. when it reaches about 3500rpm it starts spiking toward max rpm. as I increase throttle it will finally peg out. I have checked all the connections several times and I am not winning! Has anyone else had this problem? If so how did you fix it?
thx

Added by Dennis Johnson on May 21, 2010 at 7:18pm — 10 Comments

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