rev wont come down on Neutral - JeepForum.com
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Unread 12-22-2013, 12:45 PM   #1
hellcatc17
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Join Date: Nov 2013
Location: lisbon, portugal
Posts: 12
rev wont come down on Neutral

guy a strange thing is happening with my grand cherokee 3.1!while in neutral with i press gas and go to 1600 rpm per min the rev stay there and wont come down!only come down when i put D or R!why is this happening?

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Unread 12-22-2013, 01:20 PM   #2
new2site
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2002 WJ 
 
Join Date: Jan 2012
Location: Orange county, CA
Posts: 835
Quite possibly your Idle Control Valve (IAC)
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Unread 12-22-2013, 03:01 PM   #3
hellcatc17
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Join Date: Nov 2013
Location: lisbon, portugal
Posts: 12
does the 3.1 diesel have that?
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