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09 international prostar speedometer stuck

Discussion in 'International Forum' started by brian8608, Oct 28, 2014.

Page 1 of 3
  1. Oct 28, 2014 #1
    brian8608

    brian8608 Bobtail Member

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    Oct 28, 2014
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    I have a 09 international prostar and the speedometer is stuck on mph and its not getting the power its supposed to and the speedometer does its sweep but then goes all the way pass 75 and stops at mph any advice please help
     
    brian8608, Oct 28, 2014
    brian8608, Oct 28, 2014
    #1
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  3. Oct 28, 2014 #2
    Heavyd

    Heavyd Road Train Member

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    When you say it is stuck on "MPH", do you mean it is pointing straight down? If the needle is pointing straight down that is a diagnostic indicator that there is fault with the speedo sensor or circuit. Since you are also experiencing low power this is also symptom of a failed vehicle speed sensor or circuit as the engine will derate power without a valid speed signal.
     
    Heavyd, Oct 28, 2014
    Heavyd, Oct 28, 2014
    #2
    QUALITYTRUCK and brian8608 Thank this.
  4. Oct 29, 2014 #3
    brian8608

    brian8608 Bobtail Member

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    Quick question what do you mean by circuit and if I put the speed sensor in will that fix my speedo problem
     
    brian8608, Oct 29, 2014
    brian8608, Oct 29, 2014
    #3
  5. Oct 29, 2014 #4
    Heavyd

    Heavyd Road Train Member

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    The circuit is basically the wiring itself from the sensor to the ECM. The problem is either the sensor or wiring. You have a 50/50 chance of fixing it by simply replacing the sensor.
     
    Heavyd, Oct 29, 2014
    Heavyd, Oct 29, 2014
    #4
    Packer1077 and brian8608 Thank this.
  7. Oct 29, 2014 #5
    brian8608

    brian8608 Bobtail Member

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    Hey thanks for the info and response. Got a sensor on order but how would hookung that up reactivate my speedo
     
    brian8608, Oct 29, 2014
    brian8608, Oct 29, 2014
    #5
  8. Oct 30, 2014 #6
    Heavyd

    Heavyd Road Train Member

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    The system will continuously keep testing the circuit, once the fault is gone it will restore itself to normal. If the check engine light is on, you might have to turn the key on, then off for 30 seconds, then back on.
     
    Heavyd, Oct 30, 2014
    Heavyd, Oct 30, 2014
    #6
    brian8608 Thanks this.
  9. Oct 30, 2014 #7
    brian8608

    brian8608 Bobtail Member

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    Thanks heavyd you were 100% right just replaced the sensor and everything is back to normal thank you you saved me a lot of money
     
    brian8608, Oct 30, 2014
    brian8608, Oct 30, 2014
    #7
    John E., Humblepie and Heavyd Thank this.
  10. Oct 31, 2014 #8
    Heavyd

    Heavyd Road Train Member

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    Good, happy to help!
     
    Heavyd, Oct 31, 2014
    Heavyd, Oct 31, 2014
    #8
  11. Nov 27, 2018 #10
    Bigjoe33

    Bigjoe33 Bobtail Member

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    Nov 27, 2018
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    I have a 2012 international prostar, when I'm on the road going up hill, it slows down and the rpm needle will go back and forth, and sometimes it won't go to the 10th speed. Any help about what is wrong with it?
     
    Bigjoe33, Nov 27, 2018
    Bigjoe33, Nov 27, 2018
    #10
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