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Tom
Tom, ASE Certified Technician
Category: Car
Satisfied Customers: 25954
Experience:  ASE Certified Master Technician
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geo prizn: i have a 1990 geo prizm ,the trans works in all

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i have a 1990 geo prizm ,the trans works in all gears but wount shift in drive, the as i drive in stops in all gears. when i turn it back on the trans works again even in drive but wont up shift in drive, then it stops working till i restart it
Sounds like a faulty transmission computer is the engine light on?
Customer: replied 4 years ago.

no light

Ok so when you turn power off then back on it will work properly for awhile correct ?
Customer: replied 4 years ago.


yes

Ok thats a tell tale sign there is an issue with the transmission computer .About 50 dollars off ebay or a salvage yard and would start here next.Heres one on ebay.
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