On the above post: are all there of these on the same cars? (yours?) If not it would be best to add in MAF reading, ambient temperature, intake temperature, oil temp, coolant temp, and atmospheric pressure would be nice to see.
In my area I have an average atmospheric temperature of 100+F, which leads me to never, ever see below 100F IAT, and always seeing 200+C oil temps. This would under most tunes fall under an enrichment trim due to temperatures. If i showed you my logs you would see flat AFR maxed out (on the OEM sensor) and never further than ~ 17.5 ignition. This can swing the results a fair bit.
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