"JohnP" > wrote in message
oups.com...
> When i come to a stop my idle has been dropping down to around 500-550
> rpm (lower than it used to be)..every once in a while it almost
> dies...now if i barely tape the throttle the idle returns to what i
> call normal 700-800 rpm.....I am leaning toward the IAC but want to do
> a thorough troubleshoot,I have the factory service manual but i cannot
> find any troubleshooting section for the fuel sys.
> Can the IAC be cleaned?....any help would be appreciated, jp
>

Try cleaning the throttle body first.