Using signals from Bank 2 to Bank 1 side

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In see this asked on different forums but the responses vary. Technically if you had an exhaust manifold leak on the Bank 1 side of an OBD2 V8 and the corresponding upstream/downstream sensors code lean condition could the signal wire(s) from the Bank2 side operating at proper range be split and also feed the Bank1 side at the same time?

Not saying I would do it and that it won't correct the real problem...just something that I always wondered about.