I just read thru cjernigan's write up.https://www.miataturbo.net/forum/sho...light=aem+uego
Install is pretty simple but I do have a couple of question about the factory O2 sensor. Does the AEM replace or can it replace the factory O2? What about when I go with Megasquirt. Does both the blue and white wire get hooked up to it?
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https://www.miataturbo.net/forum/showthread.php?t=10042

 

It can. However in doing so you must put it into narrowband emulation mode. Since it has only one output, it is now useless as a wideband source for feeding loggers, piggybacks, etc.

Yes. MS is able to read a wideband (linear 0-5v) signal, so the wideband can and should be your only sensor.

The blue wire is not commonly used, as most ECUs are looking for an analog signal, not a serial datastream.

 

the only thing you have to do now is hook up the red and black wire. that's it.

leave the white available for the MS install. once you have the MS, connect said white, to a wire I'll make available to you. the end.

 

Thankyou gentleman.
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