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Discussion Starter #1
While driving down the road my speedometer will jump to the speed i'm at, and back down to zero. Stay then jump. It keeps jumping back and forth. I have checked for grounded out wires and nothing I dont believe. I have also done the speedometer check with the guages and that was fine. I dont know if it is my speed sensor shorted out or tps sensor. Need help if anybody knows what to do or has had this happen to them. Any help would be appreciated.
 

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check the connection for the speed sensor. In our dakota the speedo wouldn't work below ~25mph then would quickly kick up to much higher than I was going. Replaced that sensor and all was good.
 

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My buddy had a similiar issue but when he was at 75mph it would jump to 70 and below. His foot wouldn't move from the gas, but yet it would still move!

What he did to correct it is he had an aftermarket coil! Put stock one back on and it fixed the issue! I dunno if it will help any but try it out! Your just sounds more severe then his was.

Jeff
 

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Discussion Starter #4
Well thanks for the info and help.
 
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