No shift out of first gear and no speedometer

Tiny
SLLIM66
  • MEMBER
  • 2004 CHEVROLET CAVALIER
  • 2.2L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
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?
Friday, October 7th, 2016 AT 6:11 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you checked to see what codes are in the computer yet?
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Friday, October 7th, 2016 AT 7:48 PM
Tiny
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.
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Friday, October 7th, 2016 AT 8:54 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
So is it working okay now or? You could have a defective sensor, is it an AC Delco sensor?
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Tuesday, October 11th, 2016 AT 10:20 PM

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