BTW, the "----" just means a very lean condition. Like above 20:1 ratio. From everything I found on the X-series, you only have a 0-5v output. You may want to reconnect your factory front o2 sensor and wire, and use this in the rear o2 location...
here http://www.dsmlink.com/images/forums/2GECUPinout.pdf , i have a AEM X-series UEGO, i switched my OEM O2 sen with the AEM O2 sen. im not too about the narrow band wire.
I just installed my AEM wideband, I Installed the O2 sen in the front, i disconnected and wired in to pin 76, wired red wire to the cigarette lighter and black and brown wires to the bolts to ground it, i started up and everything worked normal...
i recently bought 550cc fuel injectors and now i need a tune. i have a 99 ECU and i have a Tactrix openport 2.0 with Mitsubishi adapter and a wideband, im super new to tuning and i want to know what software to use, i also want to know if there...