I think if the tps has a bad IDL contact, this can cause the IACV to remain inoperative.
But i dont know if a bad tps would cause stalling, just a 'hunting' idle.
Test your tps via the TSRM procedure.
I dig the all-stainless weighted knob. :)
Today, I received my new carpet, and began fitting it. It's a bit of work, but I'm more than half done at this point.
So, the latest...
Went to the junk yard, and found an evap cannister out of an early 90's corolla that I liked.
Obviously, it's smaller than the Supra's. It may even be the same one found in the 90's trucks, no sure. I was able to remove the bottom plate on each, and can simply swap...
So, what is your subframe? 87-88 or 89+?
BIC performance has 87-88 poly mounts, and aluminum mounts for 89+
They also have both types of engine brackets, but they're pricey, vs. grabbing a pair of oem's on Ebay or the for sale forum.
Yes, you did the right thing then.
As mentioned above, your tps must be calibrated to close the IDL contact in order to activate the idle air control valve.
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