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Can O2 sensors be cleaned ?????

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Old Apr 14, 2006 | 10:59 PM
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Default Can O2 sensors be cleaned ?????

Or should they?

If so, how do you clean them?

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Old Apr 15, 2006 | 12:41 AM
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I've always been skeptical of the cleaners you can add to fuel. As for actually cleaning them with some type of solvent, I guess you could try electronics parts cleaner. I think once they are too dirty, it's just "over johnny".
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Old Apr 15, 2006 | 09:21 AM
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Originally Posted by Grimes
I've always been skeptical of the cleaners you can add to fuel. As for actually cleaning them with some type of solvent, I guess you could try electronics parts cleaner. I think once they are too dirty, it's just "over johnny".
Thats why I was thinking of regular maintenance cleaning, maybe every few months.


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Old Apr 15, 2006 | 09:36 AM
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I've read/heard of people cleaning them off with a torch. Not sure if it works, never tried it...

Rob (Bad30th)
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Old Apr 15, 2006 | 11:50 AM
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I've done it with a torch.

Go to Lowes and get a $10 propane torch.

Put the sensor in a vice.

Hit it 5 ways; 4 sides and from the top, holding it for 45-60 seconds at a time on the bung.

Cleans it right up.

I save a few O2's this way.
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Old Apr 15, 2006 | 01:37 PM
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Originally Posted by Viper
I've done it with a torch.

Go to Lowes and get a $10 propane torch.

Put the sensor in a vice.

Hit it 5 ways; 4 sides and from the top, holding it for 45-60 seconds at a time on the bung.

Cleans it right up.

I save a few O2's this way.
Hmmm, is it easy to mess them up with the torch?

Is there a chemical that can get the build-up off of them?


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Old Apr 15, 2006 | 03:49 PM
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I never messed them up with the torch, it just glows red. Not aware of any chemical that can do it. I found the tip doing a google on O2's about 3 years ago.

http://www.gnttype.org/techarea/ecms...O2sensors.html

http://www.allfordmustangs.com/Detailed/59.shtml
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Old Apr 15, 2006 | 04:11 PM
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I use electrical contact cleaner to get off the loose residue, then put the torch to them, then use the contact cleaner again. Never had a problem.
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