This makes two 86s in a row that this has happened, never figured out the last one before it was sold.. I have a bone stock 86 5.0, did a proper mass air conversion :
https://www.stangnet.com/2002/01/23/...ir-conversion/
Fires right up, but now there's a random dip in the idle. It can be idling at 800, quick dip it 200 or so then right back to 800. Might happen every minute, 30 seconds or five minutes. Any ideas? Here's a video of it.
https://youtu.be/rUyOUr8j58g
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