Originally Posted by
Ba82Ep3
If you do the above and your engine idle is still off, then its likely time to clean out the IACV as Doug suggested.
I had the same issue with mine when the engine sat for about two months without use while i was collecting everything to swap in my k24a1. It didnt want to idle properly, so i messed with the slider for the IACV in KPro. It would improve while i sat in my parking spot, but as i tried to drive it would either idle way too high... or stall... depending on the direction of the adjustment.
I did the DIY for the IACV and problem solved. Youd be surprised the crap that collects on that little rotor in the IACV... even through normal use.
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