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Re: Secondary Air System
Posted to Emissions Forum on 12/4/2019 3 Replies

Reading through the whole Pico thread and the limited info in the SI link, then I went to Google Patents for Bosch Secondary Air System Monitoring, sounds like the rear O2's are one of the primary inputs, then add in MAF flow rate, ECT, Ambient Temps, Humidity... Login to read more.

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