poor shifting and speedo jumping

1994 JEEP GRAND CHEROKEE LAREDO
200,000 MILES
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WARGAR
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  • 2 POSTS
just got the trans rebuilt around 200 miles ago--2nd car so not driven much--wife drove to work jeep drove normal--on way home approx. 10 miles shifting became erratic and speedo jumps around from 0 to 80 even when idling and rpms are also erratic-won't have a chance to call tranny shop till after weekend --any ideas--thanks
Oct 15, 2011 at 12:41 AM
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BMRFIXIT
  • CAR REPAIR CONTRIBUTOR
  • 19,053 POSTS
bad speed sensor

Depend on the model
You have two sensors and input and out put
Suggest replacing them both
Should be under $60 for parts

Oct 15, 2011 at 1:56 AM
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WARGAR
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changed the output sensor took it for two test drives --so far so good--thanks
Oct 15, 2011 at 6:59 PM
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RIVERMIKERAT
  • CAR REPAIR CONTRIBUTOR
  • 6,110 POSTS
Glad we could be of help.
Oct 19, 2011 at 4:39 AM