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Old 02-11-2014, 10:20 AM   #1
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2001 Sahara Shutting off while Idling

I have been having a problem where my 2001 Sahara will shut off while idling. I *think* it seems to be worse when it is super cold but I cant be for sure. Will do it when I am trying to warm it up in the morning and also will do it occasionally while idling at stop lights or something like that. Problem definitely seems to be getting worse and occurring more frequently.

I took the alternator and battery in to be checked--- alternator was fine but battery needed to be replaced. Got a new battery and next morning when warming it up it went back to shutting off while idling.

What should I do next? From what I am reading it sounds like I need to clean the IAC? Is there anything else I need to look in to?
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Old 02-13-2014, 12:28 PM   #2
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Bump.... Anyone??

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Old 02-13-2014, 01:23 PM   #3
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That sure sounds like a dirty IAC... especially if it runs ok when stepping on the gas pedal a little. I'd bet cleaning the IAC will restore it back to good operation. You can usually clean it well enough by spraying an aerosol throttle body cleaner into the throttle body while the engine is running as close to idle RPM's as possible. The IAC will suck the cleaner through itself if the engine is at idle.
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Old 02-26-2014, 10:31 AM   #4
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Well, we took the IAC out and cleaned it up. Was definitely very dirty and almost "sticking shut" if you can visualize what I mean. I was hoping that would solve the problem... May have helped a little but still shutting off occasionally while idling. Any advice on what to try next? Should I clean the throttle body?

I didn't clean the IAC as you described, we actually removed it completely. Should I run some throttle body cleaner through?

Thanks for your help!
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Old 02-26-2014, 10:39 AM   #5
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Did you also use cleaner and a brush in the opening in the throttle body the IAC plunger seats in?
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Old 03-08-2014, 06:22 PM   #6
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Thinkfast - Have you figured out what the problem was? I'm having the same issue with my 2000 Sahara.

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