2 02 sensors to 1 gauge?

Discussion in 'Technical' started by waynoz, Mar 6, 2015.

  1. waynoz

    waynoz New Member

    is it possible to hook 2 02 sensors up to a switch that isolates each sensor before sending that signal to 1 wideband air/fuel gauge?

    Or would each sensor need to be recalibrate if you switch between sensors?

    So a switch will be put in between each sensor before the uego controller.
     
  2. Shane001

    Shane001 Well-Known Member

    Depends on the brand model. Could possibly do that with Innovate as the controller is separate. better off though getting one that has a dual display gauge.
     
  3. Zuul

    Zuul New Member

    As Shane said.
    Given some guages are a 3 wire system of +/- and signal, you could have a switch which goes inline between the 2 sensors.
     
  4. Shane001

    Shane001 Well-Known Member

    If the sensor electronics are not in the gauge, like Innovate LC1/LC2, you could wire up a switch between two sensors and one gauge. Would not be quite that simple though.
     
  5. waynoz

    waynoz New Member

    So it sounds possible.

    Im just not sure whether the sensors can be switched before a single controller. Or if its better to run each sensor off its own controller then switch after the controllers into the 1 gauge.

    not of huge importance to me just now but I am curious about potential setup options..
     
  6. zx299

    zx299 Well-Known Member

    It could be done.....

    just about anything can be done if you put your mind to it, but do the efforts justify the returns :confused:

    Firstly, you'd need to use a 2 way switch as the common for both sensors to ensure you can only receive ONE signal.

    You'd also have to make sure the heater circuit in both WB sensors has a common (non switched) power scource.

    Most modern WB controllers are self calibrating.

    Whether it's worth the mucking around is up to you..... personally, I couldn't be bothered, just determine which bank is the leanest and put your WB there :cool:
     
  7. kickerzx

    kickerzx Member

    Plx imfd
     
  8. michaelZ

    michaelZ New Member

    I have a digital O2 sensor gauge connected to a ....

    switch shown below. The toggle switch changes between the Left and Right bank O2 sensor. Only one LED lights up. Left is lean and right is rich.
    when running i can see the fluctuation of the sensor. Works well for me.

    MichaelZ
    [​IMG]
     

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