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Old 11-14-2012, 09:35 AM   #16
shin1
Scooby Newbie
 
Member#: 337861
Join Date: Nov 2012
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My wideband reads very close to the stock O2 sensor near the stoich area, but as the AFR gets richer (below 13), the reading between the two becomes further and further apart.
The wideband always reads leaner and in the low 12's, the wb is leaner by as much as 0.8 compared to stock .. is this normal? (my stock O2 doesn't go below 11.36 so not sure how big the gap is below that).

I'm about to scale MAF based on the wideband readings, but I'm worried I could be making it too rich, if my wb's reading is wrong. Should I trust the wb?
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