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O2 Sensors....??
On my '18 that I recently purchased, I just got it up on jack stands to install the Invidia Gemini cat back system; noticed that there are only two O2 sensors, which are post-cats; the pre-cat O2 sensor bung has a bolt in each one.
Is this OEM?..or did the previous owner remove them? I have looked around for open connectors or an end cap...have not found anything yet. What is going-on here?? Thanks |
Should be 4 O2 sensors total. 2 pre cat, 2 post cat. I would check to see if the car has a tune.
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Ya know....there are days when I seem to leave my brain in the shower.
Just ignore my original posting above. Yes there are four O2 sensors....if I had looked a bit higher-up on each cat I would have seen the pre-cat O2 sensors....oh bother!! What I saw was that each cat pipe has two sensor bung locations....I was seeing the lower one with a bolt in each one. Oh bother! |
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