Is it throwing a code? It could be an idle air control valve or a map
sensor or the temperature sensor that lets the car know when it is at
operating temperature.

Black Bomb wrote:

> Hi
>
> At warm engine temperatures,,,(sometimes) when I start it up it will idle at
> 2000 for about 7-8 seconds and drop to normal slowly. Can this be IAC
> related?
>
> Thanks
>
> Dan
> 89 Couple Blk on Blk
>
>
>