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revs go up and down when in park



 
 
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  #1  
Old January 26th 07, 10:16 PM posted to rec.autos.makers.honda
pixielee
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Posts: 1
Default revs go up and down when in park

i have a 93 honda prelude auto and when it is in park the revs go up and
down does anyone know why it would do this. it doesnt happen with
anything else.

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  #2  
Old January 26th 07, 10:46 PM posted to rec.autos.makers.honda
MishaA[_50_]
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Posts: 1
Default revs go up and down when in park


could be fast idle valve, could be eacv, could be lack of coolant, and
could be your tranny...


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  #3  
Old January 27th 07, 02:21 AM posted to rec.autos.makers.honda
jim beam
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Posts: 1,796
Default revs go up and down when in park

pixielee wrote:
> i have a 93 honda prelude auto and when it is in park the revs go up and
> down does anyone know why it would do this. it doesnt happen with
> anything else.
>

check coolant level inside radiator is full to the top and that all air
is purged from the system.
  #4  
Old January 28th 07, 01:25 AM posted to rec.autos.makers.honda
chicago
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Posts: 7
Default revs go up and down when in park

I had that happening to me on neutral during cold weather, I was told by a
trustable mechanic it was not a big deal and I never did anything about it,
still running great, although I didnT face extreme cold really lately.


"pixielee" > wrote in message
lkaboutautos.com...
>i have a 93 honda prelude auto and when it is in park the revs go up and
> down does anyone know why it would do this. it doesnt happen with
> anything else.
>



 




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