cranks but won't start - INTERMITTENT

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11-16-2008, 10:54 AM

#16

BlueXJ

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Join Date: Mar 2008

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Year: 1990XJ/1989MJ

Model: Comanche

Engine: 4.0L Renix

Quote:

Originally Posted by sandstone

Will do, but it'll be a while before I know if the problem's gone, since it is very intermittent.

No prob. We are not going anywhere.

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11-18-2008, 09:52 AM

#17

Bradley_XJSport

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Year: 1995

Model: Cherokee

Engine: 4.0 HO

Sounds like your Idle Air Controller is sticking shut. You will not get a trouble code if the voltage is correct. It's located on the side of your throttle body. Sometimes you can clean it and it will work but that problem will come back so for $50 to $75 you can replace it yourself.

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11-26-2008, 06:38 PM

#18

sandstone

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Location: Altoona, PA

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Year: 1999

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by Bradley_XJSport

Well, it's been cold and snowy for 2 weeks here in central PA, and I've had no recurrence of my Cherokee cranking but not starting. The Cherokee fires right up when I turn the key and runs great. I did nothing to it other than unplug and replug the crankshaft position sensor. I'll keep in IAC idea in mind if the problem recurs. Thanks for everyone's suggestions!

Happy Thanksgiving!!