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Setting up PLX M300 for datalogging (2 o2 bungs)

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Setting up PLX M300 for datalogging (2 o2 bungs)

Old 03-16-2006, 02:40 PM
  #1  
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Default Setting up PLX M300 for datalogging (2 o2 bungs)

Hey guys, I have a M300 permanently installed in my car... My DP Has 2 02 bungs. The stock sensor will stay and I'd like to use the WB sensor to check my A/F Ratio at all times.

How should I set it up in terms of the Grey and white wire and open loop/closed loop etc.

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Old 03-16-2006, 09:41 PM
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Default Re: Setting up PLX M300 for datalogging (2 o2 bungs)

Make a switch so you all you have to do is flip the switch instead of manually reconnecting the correct wires.
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Old 03-16-2006, 09:55 PM
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Default Re: Setting up PLX M300 for datalogging (2 o2 bungs)

Werd, Get a three way switch and hook the d14 ECU wire upt o the middle and then the sensors on either and, This way you can toggle back and forth between the two. I have my LC-1 wired up with a 3 way switch so i can toggle between narrow and wide so i guess it should work the same for yours.
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Old 03-16-2006, 11:36 PM
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Default Re: Setting up PLX M300 for datalogging (2 o2 bungs)

Ok so why would I want to be on the narrowband setting and why would I want to be on the wideband?
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Old 03-17-2006, 01:51 AM
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Default Re: Setting up PLX M300 for datalogging (2 o2 bungs)

i just disabled o2 in turbo edit and run the wideband output to the o2 imput on my ecu, running the wideband all the time anyways.
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Old 03-17-2006, 08:44 AM
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Default Re: Setting up PLX M300 for datalogging (2 o2 bungs)

i don't know if you wanna have it in there all the time, the sensor looses accuracy after a while
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