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speedo turns off while driving

Discussion in 'Technical Q&A' started by tiara4300, Sep 15, 2011.

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  1. tiara4300

    tiara4300 Formula Junior

    Feb 27, 2005
    650
    miami ,fl.
    Full Name:
    Adam
    #1 tiara4300, Sep 15, 2011
    97 355 manual during highway drive 35miles after about 20 min of driving the engine bucks and the speedo slowly goes to zero.The engine buck only happens 1 time just for a moment then car drives normally.I need to find the sensor which controls the speedo signal and engine signal.The buck happens each day on the same drive to and from home.After car sits for the day the speedo works again.thanks for the help
     
  2. 2NA

    2NA F1 World Champ
    Consultant Owner Professional Ferrari Technician

    Dec 29, 2006
    18,221
    Twin Cities
    Full Name:
    Tim Keseluk
    #2 2NA, Sep 15, 2011
    Last edited by a moderator: Sep 7, 2017
  3. tiara4300

    tiara4300 Formula Junior

    Feb 27, 2005
    650
    miami ,fl.
    Full Name:
    Adam
    #3 tiara4300, Sep 16, 2011
    THANKS FOR THE HELP I get a new part and try again
     
  4. mpodgor

    mpodgor Formula Junior

    Aug 15, 2005
    661
    San Mateo, Ca.
    Full Name:
    Michael J Podgorski
    #4 mpodgor, Sep 19, 2011
    Last month my speedo died in my 1999 F355. I changed the sensor and that fixed it. I think this is a "normal" failure for the 355. It was pretty easy to change.
     

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