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Old 04-04-2012, 10:32 AM   #1
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Iac cleaning question

Can you clean it with carb cleaner? I've only seen use throttle body cleaner. Is there really a difference between the two?

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Old 04-04-2012, 10:35 AM   #2
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Funny question. Some will say yes, others will say no because carb cleaner can damage the sensors.
FWIW, I just cleaned mine, on the jeep, with carb cleaner. Right, wrong, or indifferent its what I did and I have nothing bad to show for it.

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Old 04-04-2012, 10:43 AM   #3
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How do u clean it on the jeep, just spray into the tb?
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Old 04-04-2012, 10:51 AM   #4
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yup, and of course into the little hole where the IAC sits. Grab an ol toothbrush to scrub at it after you hit it with the cleaner. Do it with the jeep running and don't get button pressing happy or it'll die on ya. Not that that will hurt anything, you'll just have to walk around and restart it.
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Old 04-04-2012, 10:52 AM   #5
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Here's a write up form another forum http://www.jeepforum.com/forum/f9/cl...mmies-1114849/
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Old 04-04-2012, 11:05 AM   #6
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Thanks for the write up I read it over but I wanna try to do this at work furring lunch so in going to try with it on the jeep still first
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Old 04-04-2012, 11:09 AM   #7
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Crap.... Now I wanna do it again but this time take it all off and get that housing. My Jeep has like 125K on the clock so I'm guessing that baby is pretty nasty!
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Old 04-04-2012, 02:44 PM   #8
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Yep carb cleaner is fine and it is always best to entirely remove the IAC for cleaning. Be sure to clean the TB's orifice the IAC's plunger fits into as well. Make sure any cleaner you use says Sensor Safe on it as well to protect the 02 sensors.
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Old 04-04-2012, 04:06 PM   #9
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Cleaning a failing IAC will only buy some time before you need to replace it. IMO I would never bother cleaning one, just buy a new one.
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Old 04-04-2012, 05:37 PM   #10
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Some TBs have a teflon coating to prevent build up (I know Ford does). Carb cleaners may damage the coating while TB claners are not supposed to.
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Old 04-04-2012, 08:48 PM   #11
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IACs rarely fail, they just get dirty. I've never ever seen a failed IAC but I've sure cleaned enough of them.
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Old 04-04-2012, 09:40 PM   #12
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Quote:
Originally Posted by Neil F. View Post
Some TBs have a teflon coating to prevent build up (I know Ford does). Carb cleaners may damage the coating while TB claners are not supposed to.
teflon is resistant to almost every chemical. Its one of the most resistant materials that there is.
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Originally Posted by Jerry Bransford View Post
IACs rarely fail, they just get dirty. I've never ever seen a failed IAC but I've sure cleaned enough of them.
you must me really lucky! IAC failure is probably one of the most common failures on all vehicles. The inner guts get worn out and cleaning only buys you some time. I be surprised if a cleaned IAC lasts more than a year before it acts up again. I've probably had 30 customers that cleaned their mustang IAC to save some time and had issues months later that were resolved with a new IAC. I guess the business I'm in I deal with a lot more failed parts than most people.
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Old 04-05-2012, 12:36 AM   #13
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I am confining my comment on never having heard or read of a failed Wrangler TJ IAC, I can't comment on how well or poorly Ford IACs hold up.
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Old 04-05-2012, 12:43 AM   #14
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I have had to replace 2 IAC's on YJ's
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Old 04-05-2012, 11:12 AM   #15
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A few years back when I had the 5.2L ZJ, the info on some of the ZJ forums said that DOT 3 brake fluid was Chrysler's recommended cleaning agent for the IAC sensor. Works great on the sensor, never had it "fail"; cleaned twice in 140K miles to correct the idle surging. I cleaned the orifice and TB with TB cleaner

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