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-   -   Simple 2 or 3 LED rich/lean 4wire O2 sensor indicator (https://ecomodder.com/forum/showthread.php/simple-2-3-led-rich-lean-4wire-o2-9021.html)

gikard 07-01-2009 05:53 PM

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.

Southcross 07-02-2009 02:11 PM

DIY Air / Fuel Ratio Meter
Cheers

Southcross 07-02-2009 02:59 PM

also by circumchance researching something else, came across this thread:
http://ecomodder.com/forum/showthrea...uges-1286.html


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