Question about 1993 Saturn SC2

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2002 speedometer jumping all over the place after 15-20 min. and then tranny follows same action like slipping, while tach stays same

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Your "speed sensor" is failing. Replace it, and all your troubles will cease. It is located in the transmission, usually held in place by 1 bolt, and has a wire clip attached.

Posted on Jun 16, 2009

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