Possible causes for stock '19 5.0 GT rough idle?

[DougS550]

Man, I wish it was that easy for my issues. Done all that and more but still no dice.

It’s nice Lund has given some direction as to the cause.

At least you eliminated the things which cause that issue. I'm actually doing the stuff I listed to you on my daughter's 17 Tucson for idle surge this week end. Good luck

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