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Speedometer error?

Discussion in 'Technical Chat' started by Gilbert Pierce, Sep 10, 2012.

  1. Sep 10, 2012 at 3:01 PM
    #1
    Gilbert Pierce

    #1
    Gilbert Pierce [OP] Member

    Joined:
    Sep 10, 2012
    Member:
    #86630
    Messages:
    5
    Gender:
    Male
    Vehicle:
    07 Tacoma Pre Runner SR5
    I bought a new Tacoma in 07. Since day one the speedometer has been 4 mph fast compared to 3 different gps's. Two different Toyota service managers have told me they can do nothing about it. The truck has standard tires on it so that is not the problem.

    Since we are in an electronic age I assumed thru the computer this could be corrected. Even my bicycle can be reprogrammed for different size tires.

    It seems to me a knowlegable mechanic would know how to correct this thru the computer.

    Help

    Thanks
     
    Gilbert Pierce, Sep 10, 2012
    #1
  2. Sep 10, 2012 at 3:18 PM
    #2
    chris4x4

    #2
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

    Joined:
    May 8, 2008
    Member:
    #6497
    Messages:
    112,751,675
    Gender:
    Male
    First Name:
    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2019 Rubicon 4 Door,
    4.10 gears, sliders, and lots of buttons.
    The ODO is accurate. Being as the speedo is takes a digital signal, and converts it to analog signal, to be used on a mechanical gauge, thats where the discrepancy comes about.
     
    chris4x4, Sep 10, 2012
    #2

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