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I've been trying with all the might i have and I cant get the bitch to unplug am I missing some sort of like squeeze tab??

 
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This might be a stupid question, but are we talking about the sensor on the exhaust pipe or the electrical connector?

 
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electrical connector. Got it off from the header though. Now I cant figure out how to get the bottom bolt that connects the header to the car because its kinda blocked by the bottom 02 sensor. also i cant fit any kind of tool in there to unscrew the o2 sensor or get the bolt off from the bottom because its blocking it D:

 
Rep Power: 256

they make tools for this specifically
http://www.amazon.com/b?ie=UTF8&node=15708831

 
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Thanks. I went through about every wrench my dad had and I finally found one to fit. Had to torque it with a 5lb metal mallet but it came right off. Got the exhaust all installed too! Now I just have a rattling problem because I couldn't get one part back into the rubber donut

 
Rep Power: 256

dam 02 sensors are pretty sensitive i hope you didn't damage it.

 
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Doesnt look like it, but some of the bolt part is kinda stripped. On another note, I totally forgot to buy extension cables. Can the o2 sensors just lay around in the engine bay or should I wrap them up for the time being?

 
Rep Power: 256

extensions ??? did you install a ex header and exhaust ??? you won't really know if its damaged till its all hooked up but i would at least zip tie the cables and tape up the connections so debris cant get in them

 
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No, I installed a DC header with a DC downpipe. I've also found out that the header doesn't have a plug for an o2 sensor, but the downpipe does, which is why I need an extension. But what am I supposed to do with the o2 sensor that went to the header?