1991 ford aerostar wont shift automaticley but will shift by manuel

1991 FORD AEROSTAR
135,000 MILES
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TOPO541
  • MEMBER
  • 2 POSTS
i can move the gear shift myself and it will shift gears but not automaticly
Oct 4, 2011 at 9:10 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
Have any warning lights come on? Is the fluid clean and full?
Oct 4, 2011 at 9:22 PM
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TOPO541
  • MEMBER
  • 2 POSTS
no lights and full and clean
Oct 4, 2011 at 10:09 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Have the transmission range sensor checked and tested-
Oct 4, 2011 at 10:19 PM
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