Good eve!

Not wanting/trying to hijack, I have a prob w/'89 22re that wants to sputter out the exhaust @ idle. It has 320k. My local toy stealership wrench said that usually happens if iacv is clogged w/carbon/sludge etc. and is "sticky" and does not work correctly. Not sure if yours is having similar issues. Have had no luck getting the four screws broke loose yet to get it apart to clean. Any similarites?