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Does post cat 02 send any info to computer other than cat function?

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Old Sep 5, 2021 | 10:01 PM
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Default Does post cat 02 send any info to computer other than cat function?
Does the post cat 02 sensor give computer any information that effects fuel trim, etc? Or is it just sending a yes/no on cat?
 
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Old Sep 6, 2021 | 12:40 AM
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The post cat O2 sensor merely monitors the catalytic converter efficiency. Fuel trims are based on the upstream readings.
 
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Old Sep 6, 2021 | 10:26 AM
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Thank you
 
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