does the stock computer really read a/f, or does it just do a "false" calculation based on readings from the o2 sensor? or is there a way we can interpret the o2 sensor readings if they're right to determine a/f?



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- Sold my beloved J in April 2010 -

it's all in voltages recieved from the o2 sensor. your computer doesn't really READ your a/f. it interperets the signals from your pre-cat o2 sensor, and makes adjustments to maintain a stoich (14.7:1) AFR.




I was a retard, and now I'm permanently banned.