96 Escort idle problem
I have been having some issues with the idle problem on my 96 Escort. I have been searching through various threads to come up with what sounds like my solution to the problem. I have asked the assistance of the head mechanic at one shop. He told me, by the info that I gave him about the idle issue, that all roads led to the IAC valve being bad. I read about some threads where people just took off the IAC valve, cleaned it, reinstalled it, and it works fine. I tried that and seemed to work for a while and then it( the problem came back). I broke down (not the car) and ordered one 2/2 from Rock Auto. My IAC valve came in today.and I installed it. I now have worse idle than I did before!!. Is there something that has to be reprogrammed on computer or could part possibly be bad?????The idle will slow down from 1500 rpm to under 300 and die out. Am I missing something??? Anyone with any ideas??