Quote:
Originally Posted by rbogh901
This is informative. My limited understanding is that lambda values have a normal range, since they switch back and forth so much, but it's not clear how you can use them to know if you are lean or rich. If charts are available it would, indeed, be useful. I'm surprised I haven't found them yet.
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A healthy O2 sensor's readings change/cycle so fast that its almost, if not virtually impossible to note the Lambda numbers to see precisely what you have.
This is exactly why we use an addition wide-band sensor & AFR meter to actually see what the values are in order to make changes and monitor things.
You can find what you are looking for here:
http://www.tatech.fi/cms/uploads/Lambda_vs_AFR.pdf