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Cleaning O2 Sensors

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Old Mar 31, 2004 | 05:39 PM
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Default Cleaning O2 Sensors

Can you clean the carbon off the O2 Sensors? I am getting a code 1133 and the sensor has a lot of carbon on it.

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Old Mar 31, 2004 | 06:45 PM
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http://www.ls1camaro.net/article.php?sid=106

This procedure will clean the O2 at the same time you test it. Basically you are burning all the crud off of there.

Last edited by bomax; May 31, 2005 at 10:09 PM.
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Old Apr 3, 2004 | 11:14 AM
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I have heard of people cleaning them with carburator cleaner.
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Old Apr 3, 2004 | 11:20 AM
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You can also go to Radio Shack and buy some electrostatic-safe electronics cleaner.
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Old May 22, 2004 | 10:02 AM
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Would an oxyacetylene rig work the same as a propane torch?
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Old May 22, 2004 | 01:06 PM
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You really cannot CLEAN the O2s and make much of a difference
If you look at the tip of the O2 you see very small slits because O2 functions are inside
that tip. A spray cleaner really would not get into those slits very well much less the junk coming out of them.
As O2 ages it gets slower/lazy so if they have more then 30-40K miles they really should be replaced for they might still work but not as well as fairly new ones.
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Old May 31, 2005 | 05:29 PM
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what if you soaked the ends in carb cleaner? I have FLPs and was sick of the exhaust leaks so I used RTV to help out and now my O2 sensors aren't working. I guess the RTV caused this, I wish I would have known. Any suggestions? thanks
-Chris
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Old May 31, 2005 | 08:40 PM
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doesnt some ceratin kinds of rtv have something in them that fouls out o2s? or maybe this was just something else. you can get a new set for 140 bucks, cleaning them is a waste IMO. i tried to spray mine off because i was getting weird readings and the new ones were gonna be a while, it helped, but the new ones made them look shitty, u will be amazed how much of a difference new o2s make
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