O2 Readiness with P0138/9 - O2 Sensor Slow Response checked

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lastbluesun
Posts: 4
Joined: Tue Jun 09, 2020 1:00 pm

O2 Readiness with P0138/9 - O2 Sensor Slow Response checked

Post by lastbluesun »

Hi! I'm trying to pass emissions and I have a downpipe that doesn't need the P0420 block anymore (it was messing with readiness). My tuner had also checked the O2 Sensor Slow Response box. I was wondering that too will affect readiness and if I need to uncheck it and reflash.
KTuner
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Joined: Mon Jul 22, 2013 8:13 pm

Re: O2 Readiness with P0138/9 - O2 Sensor Slow Response checked

Post by KTuner »

It likely will. The only suggestion we can give it to flash back to factory for emissions purposes.
dongbird
Posts: 1
Joined: Thu Jul 29, 2021 10:31 am

Re: O2 Readiness with P0138/9 - O2 Sensor Slow Response checked

Post by dongbird »

Thank you for this advice.
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