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I just had a rebuilt transmission put in an iam having the same issues with the transmissiion i replaced the speed sensor next cause thats what came up on the computer but the car is still doing the same thing an the speed sensor light still is on an the car still wont shift out of first any ideas?

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If this is a new transmission exhibiting the same dysfunction as the old one then likely there is a problem with either the computer or perhaps the TPS. If the TPS is stuck electrically wide open then the transmission would always think it needed to be downshift. If the tps is good then the computer must be bad because the computer tells the transmission when to shift.

Posted on Jul 22, 2010


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Good luck and hope this helps, 85% of the time it's going to be a electrical issue that causes your transmission not shift properly. The other causes for your transmission issues are: TPS sensor and the input speed sensor and out put speed sensor in your transmission.
Thank you for using Fixya and start with the simple and check the fuses and wire harness. Good luck

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