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Old Jan 23, 2009, 03:29 PM
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O2 sensor problem
Today I was trying to get off the O2 sensor (the one after the cat) on the exaust to install a CEL eliminator but I couldn't unscrew it. I've tried to put some rust stuff but it has doesn't change anything!!!

Do you have tips to get it off??? It should be an easy job, I don't want to spend money jsut for that little thing!!!
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Old Jan 23, 2009, 05:56 PM
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Heat the threaded part with a torch. If you can get it to glow faintly red, it should come right out with an O2 sensor socket or box end wrench.
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Old Jan 23, 2009, 06:39 PM
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get a box wrench and get extra leverage with a piece of steel pipe slid over the wrench. i've done it before.
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Old Jan 23, 2009, 07:47 PM
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Originally Posted by Myszkewicz
Heat the threaded part with a torch. If you can get it to glow faintly red, it should come right out with an O2 sensor socket or box end wrench.
heating it won't break the O2 sensor?

To put the box wrench on the O2sensor, I'll need to unplug the sensor!!! Is that difficult?
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Old Jan 23, 2009, 09:25 PM
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not at all but you could use an open ended wrench if you're worried of breaking the connector/s.
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Old Jan 24, 2009, 05:26 AM
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I've tried qith the open wrench...it doesn't work at all!!! One corner of the sensor as slip!!!
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Old Jan 24, 2009, 08:04 AM
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Use an O2 sensor socket, that's what they're for.
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Old Jan 24, 2009, 11:17 AM
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Originally Posted by otter
Use an O2 sensor socket, that's what they're for.
Where can I find one???
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Old Jan 24, 2009, 11:41 PM
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Originally Posted by wake
Where can I find one???
try your local parts store... its better that you unplug the sensor, because if/when you do start taking it off, you dont want to twist the wires and tear them. majority of your o2 sensors are unclipped... i dont know which one you are trying to remove...
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Old Jan 24, 2009, 11:42 PM
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one more thing, if you want, if you cant find an already made one at your local store, you can make your own as well... just die-grind out a slot on the socket you can fit over the sensor.
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Old Jan 25, 2009, 06:58 AM
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I'll try with the socket...I'll buy one at Canadian Tire and refund it 1 week after!!! They take back everything in good shape!!!

Thanks for all the help!!!
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Old Sep 11, 2014, 12:14 PM
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Sorry to bump an ancient thread but where would I get a CEL ELIMINATOR
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Old Sep 11, 2014, 07:29 PM
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almost anywhere...

google "O2 sensor spacer"
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Old Sep 12, 2014, 06:44 AM
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I have like 3 de-foulers in and it'd giving the light still.
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Old Sep 12, 2014, 07:05 AM
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what's the code?
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