Rpm idles up and down on my 1995 honda accord?

I turn it on and the rpm stays like At 2x
Then if i acelerate it a bit while in park
It starts going up and down
But once the car warms up it stops doing it
Please help me i wana get some information before taking it to a mechanic.

DON't TAKE IT TO A MECHANIC! It's a honda! My friends accord and my civic do the same thing it's just something Hondas do that's warming up the transmission to stop other problems from happening, that's why it stops once you start going.

Thanks

Clean out your idle air system. Do you have a F22B2?

Simple 15 minute fix, cost: one can of carb cleaner.

Good time to get a cheap shop manual. It is really simple, just a 12mm wrench and pair of pliers if I remember correctly (don't have my shop manual on me).

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