O oddweb New member Mar 29, 2010 #1 my truck is idling really fast it use to idle up then down when started but now it is just staying on a fast idle and there is a hissing sound coming from my vents like something isnt closing all the way any ideas?
my truck is idling really fast it use to idle up then down when started but now it is just staying on a fast idle and there is a hissing sound coming from my vents like something isnt closing all the way any ideas?