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Erratic Tach

Discussion in 'Prius v Care, Maintenance and Troubleshooting' started by tnt4him, Mar 16, 2016.

  1. tnt4him

    tnt4him Junior Member

    Joined:
    Oct 2, 2015
    41
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    Location:
    Beaverton Oregon
    Vehicle:
    2012 Prius c
    Model:
    Four
    My tach started jumping all over the place on my 2012 prius C with 17K. Anyone else have a problem like this and what the fix is? I know the tach receives a signal from the transmission, usually the vehicle speed sensor which could be the problem(?) Or the tach on the dash is going bad or there is a faulty connection somewhere. Any experience with this would be helpful.
     
    #1 tnt4him, Mar 16, 2016
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