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Have a look at these O2 sensors

Well ladies and gents, i've had a CEL on for a few thousand miles now, comes on, goes off, comes on, goes off. Well I finally got around to taking

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Old 03-01-2010, 01:58 PM   #1 (permalink)
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Default Have a look at these O2 sensors

Well ladies and gents, i've had a CEL on for a few thousand miles now, comes on, goes off, comes on, goes off. Well I finally got around to taking it into the hobby shop and getting her up on a lift to see what the problem may be. I came armed with some steel wool to see if that would help the issue. Well I took the sensors out and to my surprise, they were covered in black sooty residue, now, mind you, I havent dealt with O2 sensors alot in the past, so I dont know if this is normal or not, im sure different cars show different things. I packed some steel wool into the bungs and put them back on, so hopefully after a few hundred miles, the CEL will go away, however, I dont know if this residue may be the cause of the problem or if its normal, for some of you mechanic types, take a look at these and tell me if this much buildup is normal for a car with 10k miles. Also, is there a way to clean these without screwing up the sensors?







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Old 03-01-2010, 02:00 PM   #2 (permalink)
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WTB Focusing.

All O2's I've seen have looked like that (when not new). Most have had some miles on them.
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Old 03-01-2010, 02:08 PM   #3 (permalink)
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MACRO mode.... use the flower power....
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Old 03-01-2010, 02:19 PM   #4 (permalink)
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Sorry for the image quality, all i had on me was the cell phone. You really dont need high resolution to see the soot.
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Old 03-01-2010, 03:01 PM   #5 (permalink)
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Really nice hobby shop you have there. What base is that?

I am about to do a HFC install. how much steel wool is pushed into the non-fouler? Do you put it in the entire tube? Do you pack it tight? I just don't know...
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Old 03-01-2010, 04:35 PM   #6 (permalink)
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Those don't look bad to me...they look the way that something in the direct path of your exhaust should look like.
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Old 03-01-2010, 06:55 PM   #7 (permalink)
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Quote:
Originally Posted by kdoske View Post
Really nice hobby shop you have there. What base is that?

I am about to do a HFC install. how much steel wool is pushed into the non-fouler? Do you put it in the entire tube? Do you pack it tight? I just don't know...
Its at Ft. Bliss, they have 10 lifts and a pit to change oil in, its F-ing awesome. As far as the steel wool goes, I put enough in so that when I screwed the O2 sensor back in, there was a slight resistance, and when I say slight, i mean SLIIIIGHT, dont wanna pack it in too too tight. And thanks RCZ, good to hear, hopefully the steel wool trick works for me.
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