Hot O2 Sensor

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otterman
Posts: 3380
Joined: Tue Feb 21, 2006 5:43 pm

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I have a blacktop (FAT) o2 sensor on my redtop (SKINNY), not sure if that matters or not. I replaced it with a blacktop because I bought a MR o2 housing.

Anyways, I had the o2 sensor unscrewed for a while (days) so I could reach some transmission bolts and as I was putting the sensor back in I noticed it was really hot. The tip of the sensor is hot enough you cant hold your finger on it long.

Is that normal?


Blown240sx
Posts: 1963
Joined: Thu Apr 21, 2005 3:20 pm
Car: 1996 240sx

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there are differences in the 02 sensors.

http://www.sr20forum.com/showthread.php?t=124479 <-- Read this

180fan
Posts: 7799
Joined: Sat Dec 14, 2002 12:16 pm
Car: 89 fastback

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yes it's normal, they're heated.

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JesusLikesKFC
Posts: 519
Joined: Fri Aug 26, 2005 9:16 pm
Car: 91 240sx, geo prizm

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wierd, was it still plugged in?

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otterman
Posts: 3380
Joined: Tue Feb 21, 2006 5:43 pm

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yeah it was connected to the wires it just wasnt screwed into the o2 housing. It burnt the piss out of me cause I didn't know they were heated and I grabbed it.

We had the radio in my car on so thats why there was electricity to it.


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