IAC and cold / hot idle issues revisited...

phils89sc

Registered User
My 89 SC auto, I know here we go again right? But, now I can show you all what it is doing. I made a couple of videos this morning, one at cold startup, and one at hot startup. The thing that is wierd is that it acts more like it should when it is hot and not cold.

Cold start video:

http://www.youtube.com/watch?v=c4r-rk9kR8A

Hot start after 27 mile drive to work:

http://www.youtube.com/watch?v=8VIyUoClBV8

Also, when running a code test, the IAC seems to be able to raise the engine RPM and hold it there. But, when it is lowering the RPM close to idle, it seems to lose control.

thoughts?
 
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