alright so i know that yall are all gonna tell me to check for vaccuum leaks and i'll tellyou now i've drenched the car in engine cleaner trying to get it to rev up when i hit it and there's not one leak. but to the point in park i'm idling at about 2000 rpms. this just started a few weeks ago. i was at 750 at one point. anyone got any ideas? 86 iroc z 305 tpi

 

anyone got any idea?

 

clean or replace your IAC

 

IAC? what is this?

 

Idle Air Control it is just below the TB on the passanger side... has a square 4 wire connector on it...