[rbogh901]

Originally Posted by Steve@Rennsport

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.

You can find what you are looking for here:http://www.tatech.fi/cms/uploads/Lambda_vs_AFR.pdf

Thanks for the chart.
I think the last time I checked my lambda ranged from .92 (rich) to .96 (less rich) but those numbers are just the ones stored by the OBD and read with the Scantool software. Do they have any useful value?