No shift out of first gear and no speedometer

2004 CHEVROLET CAVALIER
200,000 MILES • 2.2L • 4 CYL • FWD • AUTOMATIC
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SLLIM66
  • MEMBER
  • 2 POSTS
Bought this car and it was fine for a while, but after changing fan motor and installing a new radiator the transmission would not shift out out first and speedometer quit working. Change the speed sensor and drove it for about three weeks to work (fifty miles one way) then when coming home one day it did the same thing. Changed speed sensor again, but no help. Any suggestions?
Oct 7, 2016 at 11:11 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Have you checked to see what codes are in the computer yet?
Oct 7, 2016 at 12:48 PM
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SLLIM66
  • MEMBER
  • 2 POSTS
I disconnected the battery to see if it would reset the computer because when I did this before it actually started shifting again, but now it shows no codes.
Oct 7, 2016 at 1:54 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,583 POSTS
So is it working okay now or? You could have a defective sensor, is it an AC Delco sensor?
Oct 11, 2016 at 3:20 PM
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