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Old 08-13-2019, 07:55 AM   #1
Chrisvanoverjr
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O2 sensor relocation

Since I live in a area that has no emissions testing requirements I wanted to delete my catalytic converter. I noticed there is an o2 bung on the new replacement pipe. Since the o2 sensor is on the manifold, and there's only one, can I move it to the new "cat" without any issues? I would think so. If for nothing else, it'll be easier to access should it need changing.
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Old 08-13-2019, 08:54 AM   #2
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that is exactly what I did and it worked fine. I just grabbed some junkyard o2 connectors and soldered up a 16" extension wire in order to reach the new location.

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Old 08-13-2019, 10:03 AM   #3
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Extending the wires could potentially change the resistance, which could result in improper sensor function.

Also, there is no good reason to delete your catalytic converter. Ever.
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Old 08-13-2019, 10:55 AM   #4
Chrisvanoverjr
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Thanks guys for your input.
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Old 08-17-2019, 08:05 PM   #5
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O2 sensor relocation

I disagree as in my experience with 11 I can move the stick without any input being registered. That mean I could benefit from higher resolution.
So, how do I setup more than 11 bit please?
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Old 08-25-2019, 05:04 PM   #6
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When I replaced our A1 exhaust manifold with an a4 I just extended the wires so the O2 sensor would reach the new location. It worked fine. I agree with Deeve. There is no good reason to remove your cat. It really doesn't restrict flow and it keeps bad crap out of our air.
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Old 08-25-2019, 10:34 PM   #7
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Quote:
Originally Posted by deevergote View Post
Extending the wires could potentially change the resistance, which could result in improper sensor function.

Also, there is no good reason to delete your catalytic converter. Ever.
This. ^

You can buy the proper extension. One comes with the DC Sports header. You can buy just the extension.

DC Sports RHWA-002 30" 4-Wire O2 Sensor Extension.

I purchased one on Amazon in 2017. $24.99 shipped. Don't quote the exact part number but it might be just what you need. There are a couple different ones as I recall. I used the abformentioned when relocating the O2 on an F22A1 to the F22A6 location.
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