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Any tips on removing/installing an oxygen sensor?

Penetrating oil, a good wrench, and a prayer may help! And maybe a little heat if it's being a bear! Good Luck!!
 
Anyone have a reasonable technique to remove/install an oxygen sensor as it is quite difficult to access.
Hey T. I thought this was familiar. Is this the same issue from April of last year? Have you ridden it since then? A 2013 with 2500 miles. And you already changed one O2 sensor that was very carboned up. I assume the front one. I think it would be beneficial to start with a clean slate and re-diagnose - are you riding it, how well does it run, how old is the gas, what codes do you have, etc etc. You know the drill.

https://www.spyderlovers.com/thread...engine-light-flashing-any-ideas-fixes.162616/
 
Yes… Déjà vu… I was just wondering if someone had come up with a new and better idea.
The best I can do is a new tool, a ratcheted open end 22 mm.
And it still has that low mileage… Several issues over time have affected my riding, but I can still attach a mod here and there.
 
If you already replaced the front one, and posted the picture - which is the correct one based on P0131 - you’re replacing the rear one now? What’s the basis for that? Replacing an O2 sensor is pretty rare on a 998. But two in two years? I’d dive a little deeper. How many miles in the past three years and how old is the gas, for example.

But to your question, I never had to remove a rear sensor. It was always something else. A ratchet wrench sounds like the right ticket. Flex head. Or flex head O2 sensor wrench. I can’t recall if it’s too tight for an O2 sensor socket. I’d try anything before having to remove the gas tank. A front one was just an open end wrench after moving a bit of intake duct work aside.
 
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