Tachometer bounces up before settling down

Mar 06, 2006 4 Replies
H

Hi all,


92 Teg. Recently I've noticed that when I come to a stop, my tachometer would always bounce back up to around 1700 RPM before settling back down to
850 RPM (my IDLE).

Anyone knows what could be causing the tachometer to bounce up before settling down? Could it be a leak in one of the hose?



Thanx in advance.


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T

"Hootie" wrote in news:_aZOf.110330$H%4.98842@pd7tw2no:

Automatic or manual transmission?

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H

Automatic.

After bouncing up to 1700 RPM, it would quickly settle down to about 1000 RPM...then slowly back to 850 RPM.

If I press on the brake, IDL drops slightly but then goes back to 850 RPM (steady).

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T

"Hello" wrote in news:eQ7Pf.114120$B94.60332@pd7tw3no:

Sounds like nothing's wrong to me. It's just the tranny downshifting back into first, which drags the engine speed up a bit.

Did this just start happening?

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H

Thanx TeGGeR,

I just never noticed it before.

I've just monitor it for a while.

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