New IAC...extremely high idle
#1
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Join Date: Jul 2010
Location: Freeburg, IL
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Year: 94
Model: Cherokee
Engine: 4.0
New IAC...extremely high idle
Just installed a new Borg Warner IAC into my 97 XJ
It's now racing up to 3000 rpm and holding
How do I calibrate new sensor?
Thanks again for the help, Jacob
It's now racing up to 3000 rpm and holding
How do I calibrate new sensor?
Thanks again for the help, Jacob
#7
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Year: 1997
Model: Cherokee
Engine: 4.0
You also need to make sure that the shaft on the IAC is set at 1 1/8" from the mating surface to the pointed end of the shaft. To reset the IAC in the ECU, you need to drive it at 40mph for a few miles. Hope this helps, as I just went thru this myself.
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#8
If there is no leak and the IAC is in fact compatible, remove the positive terminal from the battery and touch it to ground for 30 seconds (any ground it will reach) then reinstall it on the battery. You may just need to clear out the computer and have it relearn. Again, this is provided there are no leaks. Good luck.
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