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Wheel sensor how to diagnose if tone rings are bad. can they be replaced or must you replace half shaft

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Tone rings are a break for the magnetic field produced by the sensor if you have to much air gap you would get a erratic signal if the tone wheel is broken any where this will produce a fault or failure, if the sensor fails same result.a scanner can read this signal if the sensor can produce it other wise you may have a open circuit usual failure is the sensor.

Posted on May 05, 2014


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