I can report with near 100% certainty that my 2004 Elantra DOES, in fact, have some sort of DFCO. Kicks in at 2000 RPM, and out at 1200. I'll try to get video of it coming in and going out.
However, the SGII doesn't see it - I'm betting because it stays in closed loop as the computer "knows" it's going lean.
I wonder if I can program an Xgauge for my O2 sensor?
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