P0130 code with catted rv6

Beach civic si

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Was just wondering I just connected my rv6 catted downpipe to my 2019 civic si and got a CEL within 3 miles of driving. When I data logged the afr was frozen at 27 so the sensor was obviously need reading properly making the car run lean

I then switched back to stock and the CEL was gone and ran perfect
Then tried rv6 again thinking I messed up somewhere during the connection but again the p0130 code flashed again

definitely seems like it’s the pipe
Would I have better luck with the prl catted pipe
I thought the CEL wasn’t really an issue with the catted dp
Frustrating
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10GenPearlSi

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You probably just got a P0139 CEL. Just turn the defouler in a couple of turns.

RV6's solution
 

10GenPearlSi

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I got the same P0139 code, I just disabled it with Ktuner, im assuming this causes no issues?
The only possible issue is with state inspection. I guess that varies from state to state.
 

Ben0012

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The only possible issue is with state inspection. I guess that varies from state to state.
Thanks, I should be good there, they just visually inspect that a cat is on the car.
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