Help with building your Speeduino, installing it, getting it to run etc.
By gegegreen
#50040
I have a speedyefi PNP ECU and Innovate Wideband for my 1991 Miata. For context, the innovate has been calibrated and is grounded to the same engine ground as the ECU.

I was getting some inconsistent readings on my AFR and added the AFR 2 to my dashboard to see if anything was different. Both AFR values move, AFR1 is richer and moves more than AFR2. I'm inclined to believe AFR1 is correct as the car smells rich, but I don't understand why I'm getting this second value at all. Does anyone have any insight into why I have this second AFR value? Also, if AFR2 turns out to be correct, how would I configure tunerstudio to use AFR2 instead of 1?
Attachments
AFR Reading.jpg
AFR Reading.jpg (1.63 MiB) Viewed 1536 times

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