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
09 international prostar speedometer stuck
Discussion in 'International Forum' started by brian8608, Oct 28, 2014.
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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.
QUALITYTRUCK and brian8608 Thank this. -
Quick question what do you mean by circuit and if I put the speed sensor in will that fix my speedo problem
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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.
Packer1077 and brian8608 Thank this. -
Hey thanks for the info and response. Got a sensor on order but how would hookung that up reactivate my speedo
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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.
brian8608 Thanks this. -
Good, happy to help!
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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?
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