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Simple 2 or 3 LED rich/lean 4wire O2 sensor indicator
Hi All,
Has anyone used a simple rich/lean indicator connected to a typical car's standard (4-wire) O2 sensor as a driving aid?
e.g.
red for > 0.55V
yellow for 0.4 - 0.55V
green for <0.4V
(exact voltages may vary)
So that the driver has feedback on keeping the ECU out of rich/power mode?
Maybe it can be simplified to red/green with a threshold at 0.45V, or a single on/off LED...
Cheers.
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