Yea pretty sure it's viral and something one of my kids picked up at daycare. Fortunately seems to be a 24 hour bug as my oldest and wife are already much better. Thanks for the good wishes though.
I'm not sure I understand what u mean by wiring the a/f meter to monitor closed loop? When the ecu operates in open loop it simply ignores the signal from the o2 sensor until it's warm enough to trigger closed loop operation. Or at least that was my understanding of it. Right now I have a Jet Air/Fuel meter tapped directly into the single wire from the o2 sensor. I can see the change in voltage readings from the sensor and it converts it to a rough afr. The sensor appears to be working fine. I'm not sure if that's what kind of setup your describing?
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