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Figured it out. Wiring had melted together on the two wire connector onto the hot metal of the 02 sensor. It's not visible to the eye as far as seeing that they are touching. But when

Also fan won't stop running even when I turned off the car completely. Had to manually unplug it.

Took everything apart wiring sensor wise.
Put it all back together. Started it up.
Ol-fault
Got a couple dtc.
One being po118 engine coolant temp sensor circuit high.
Unplugged the sensor...

Changed the 1st issue with Bank 2 stft. I removed the channel then put it back on the scanner. That got it back from being stick. Now I will plug each sensor in until I get that again.

2013 Ats 3.6 lfx stage 1 procharge setup.
Car ran fine for around 2yrs. 20k miles on Overkill tune. Fast forward. Had a dyno retune after I put TB and ported intake.
That tune was done in the...