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#8583: 05-17-2013, 07:13 PM
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Originally Posted by ellyssian View Post
Don't know if you have changed the O2 sensor before, but I'd highly recommend having an impact wrench on hand to loosen the old one. I had the specialized socket, and, by hand, I was putting enough torque on it to open it up and cause it to slip. Once I finally bought one, the impact wrench took seconds to loosen it up.
Easy way to remove O2 sensor if you have a torch available. Heat the pipe red all around the sensor-not liquid red but just red and then hit it with cold water and quench it. It will come out very easily and won't damage the threads. If you use an impact, you could pull the threads out of the bung and then you're drilling, tapping, and helicoiling to repair it.