I can't figure out what is causing my car to have trouble to hold idle when cold. When I start the car it pops and I am guessing it is early or late detonation. If I give it gas it doesn't do it. Once it's warm idle seems good and it no longer does this. Startup after that is fine until I let it cool back down.
Things that I have done recently are the oil, spark plugs, aos, sai, cleaned the intakes from the bad aos. I believe I was using 5w40 and now I have 5w50.
Before this the car sat for awhile only starting it up once a month to move it in and out of the garage. It did not start this until after I replaced aos, oil, and spark plugs. It ran great before sitting due to a wheel bearing that is also now taken care of.
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