On the NB O2 sensors, is 880 rich and 920 lean or is it the other way around?
On the NB O2 sensors, is 880 rich and 920 lean or is it the other way around?
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Voltage should keep getting higher as AFR keeps getting richer. I am sure you know, but NB's aren't very good at this. I know there are many people that think 880 is a good number, but NB readings are greatly affected by heat which can greatly be affected by placement of the O2's, timing, and AFR.
narrowbands cant be trusted...from what I've heard as they heat up due to higher exhaust temps the # can actually go down even if your getting richer. Bottom line is I would never trust what they are saying.
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