cromanyak Posted April 5, 2008 Share Posted April 5, 2008 Hi all. Haven't had much issues with the jeep until just recently. Sometimes when I start it the idle will go up to around 3000 and stay there. It goes away after I drive for a minute, but if I turn it off and restart it it does the same thing. Any ideas what might be causing this? Chris Link to comment Share on other sites More sharing options...
ejndssn Posted April 5, 2008 Share Posted April 5, 2008 there has been some info IRT to Hi Idle if you do a search :brows: my problem was with the EGR valve needed replacement and the problem went away. do some research on this site so that you'll additional inforamtion to go by Link to comment Share on other sites More sharing options...
brigarpeon Posted April 5, 2008 Share Posted April 5, 2008 A couple of things could cause this. Bad Throttle Position Sensor A vaccum leak My 2.5 is doing that right now, it has a bad intake/exhaust gasket On a 4.0 the throttle body might need cleaned (IAS)Idle Air Speed motor on 2.5 and (IAC)Idle Air Control on 4.0 There are other possiblities but these are probably the most common Link to comment Share on other sites More sharing options...
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