A WILD guess: something went through your intake bank 1 all the way

That's one over 1 million chance, so let's forget it.

I just feel something wrong with your wiring harness, xuz all related to sensors, maybe just one tiny area got hit by a flying rock. .

GL!

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01' 3.0i E53 (M54) with 164,000 miles
07' 3.0si E83 (N52) with 134,000 miles
08' 3.0si E70 (N52) with 91,000 miles