I just went through testing the IACV again. With 12v direct the unit clicks. I did not remove to see if the valve goes full open. If I unplug the IACV the engine idle drops and stumbles. Remeasured the resistance and read 0 again. Cleaned the posts on the valve and read 8.4. Engine is running OK now. Also cleaned the air intake metering flap and that seems to help although it was not very dirty. Will post again after I try some more cold starts. Thanks for your input

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Handyjay