Hanging Idle Issue

[ju015dd]

Hey guys, Lately I have been having an idle issue. It only happens shortly after I start the truck and have noticed it only happens in stock mode or in my street mode on my flip chip. I will come to a stop and the idle will rise from normal up to almost where it sits in my high idle setting. I can switch to a different setting on my chip and it goes away..... Is this a chip issue, but then again it does it when I set the chip to stock mode too. I will just slowy rise up till it is over 1k rpms or so.
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