5.9 started idling quite high

Lelo Dart said

Could be the ICV, might try taking it out and cleaning the seat and plunger.
http://www.carparts.com/details/Dod...g62xmdhfbZexHKYCg8tfbB8lxicY1f5QFLhoCdLLw_wcB

Click to expand...

I have had this happen on my 97 dakota, it usually was only when it was cold, it would idle back down when it warmed up. Probably depends on how dirty it is.