2004 WJ 4.0 high idle
12-04-2021, 04:05 PM
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2004 WJ 4.0 high idle
Hello, so I just replaced my IAC on my 04 4.0 Jeep GC. I went from low idle and rough idle to idle at 2.5k 3k in park after replacing the IAC. anyone know how to reset the system? Or how I can bring the idle down to normal.
Thanks, Dustin.
Thanks, Dustin.
01-04-2022, 04:50 PM
#2
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Join Date: Jan 2022
Location: Mobile, Al
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Year: 2004
Model: Grand Cherokee (WJ)
Engine: 4.0
Reset system by taking battery cables off and holding together for at least 10 min. Or you can pull the crank position sensor electrical connector and plug back in again which should reset ecm.
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