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All OEM related XJ specific tech. Examples, no start, general maintenance or anything that's stock.

TPS? have to flore it in the mornings to start

   
Old Jan 14, 2011 | 05:19 PM
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Running Free's Avatar
Running Free
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From: Masson, Quebec(the Dark Side) Canada
Year: 1988
Model: Wagoneer
Engine: 4l
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What is an IAC ?
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Old Jan 14, 2011 | 06:34 PM
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Jor2010dan
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From: Southern Utah
Year: 1992
Model: Cherokee
Engine: 4.0 I6
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Originally Posted by Dan_in_WA
Could be a vacuum leak. If air is getting into the manifold down stream of the IAC, that would simulate the IAC being stuck open.

How fast is your idle when it is warmed up?
I know i have a vacuum leak, it's the hose that goes to the valve cover that's closest to the firewall. what does this do. i replaced it a while back and now it's leaking again.

It sits at 1000 rpms and I'm pretty sure its good
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