O2 sensor function

Andris Skulte askulte at emerald.tufts.edu
Tue Apr 7 16:35:00 GMT 1998


Squash wrote:
> Very simply, will a heated oxygen sensor read accurately over 50%
> throttle?  If so, would 65 mV at full throttle be to lean?

Umm... yes! :) Do you mean 650 mV? At 14.7 air:fuel, the o2 should read
around 500 mV, and when the computer is in closed loop, you should see
the o2s constantly jumping across 500 (maybe 200-700 range). 

Andris "the man of 1050 mV o2's" Skulte



More information about the Diy_efi mailing list