Quote:
Originally Posted by itsnotanova
I know the sai is an emissions device and technically needs to work to pass smog. If you bring a warm car to get smog checked, how are they going to know it's not working? Is it throwing a code?
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When the battery is disconnected everything clears including Emissions readiness flags. The SAI has to run at least once to set its "Ready" flag, that's how "they" block people from disconnecting the battery right before going to the emissions check.