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Unread 04-08-2008, 11:29 PM   #1
Traxion
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Join Date: Sep 2006
Location: Horsham, Pennsylvania
Posts: 4
XJ Idle issue!

My '97 XJ 4.0 (150k) has recently started lowering its idle for a few seconds after I stop when I put it in park or neutral. It drops for a few seconds but then comes right back up to normal. I have since gone over the PCV/CCV system including cleaning both tubes, replacing both grommets, and replacing the rear breather elbow/valve. There has been no change. I'm gonna check the IAC this afternoon I guess, but are there any other suggestions? What vacuum hoses should I check? Any help would be greatly appreciated!

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Unread 04-09-2008, 07:05 AM   #2
Matt Gertsch
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1999 XJ Cherokee 
 
Join Date: Jan 2005
Location: Nor Cal
Posts: 8,862
It's not an IAC issue, or it would be a continuous problem. Let me know what you find though, mine has been doing the same thing for a while now and I can't figure it out.
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Unread 04-09-2008, 12:37 PM   #3
hardlineoffroad
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1990 XJ Cherokee 
 
Join Date: Feb 2008
Location: evans,ga
Posts: 62
check your emmisions system for built up carbon....that was what was wrong with mine
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