[bcm]

got a 2.3 88 auto,the issue is once hot and in park it idels at 1300: starts cold first try idles at 700rpm, in drive at 1000,but once it warms up and placed park its at 1300.
Can someone help figure this out?

 

[pyro_la]

looks like an vacume leak or possibley an idle air control sensor. could be many things, take to dealer to diagnose but start with these.