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High idle, probably broken IAC, questions
#16
Update: All good and working fine enough for vehicle inspection. Thanks fixkick for help and ideas!



Idle fixed. Took a moment to figure out where I should place my T-junction and run the hose to cabin. After a few tries I found it.




   






Also I found out that on right side of the firewall there were several unused places to run big hoses trough the firewall so I ran my hose there.





This is temporary solution. I had some old hose, but its bit too short. Also I need to find a valve but its bit hard for such small diameter hose and then replace this with longer hose and run it to driver side with the valve.



   






Tested cold and hot idle with hose open / plugged.







Cold closed: 0-200 RPM (according to tacho)



Cold open: 2200 RM


Hot closed: 800 RPM lights off, 600 RPM lights on

Hot open: 2500 RPM.. so not too high if one forgets to plug it. Probably not every nice to drive, especially with any AT box.



(Note temp gauge shows pretty low, probably the sensor is going bad. Its actually 88C where my STAT opens. ).

   
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RE: High idle, probably broken IAC, questions - by jwunsch - 05-26-2021, 05:32 PM

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