Dual Wideband Question? Sc400

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GhostDog88

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I've installed a dual wideband and used the factory 02 sensor bungs on the exhaust manifolds(before the Cat). I'm running an Apexi AFC neo piggy back ecu. My question is, since the PB ECU essentially "tricks" the ECU into adjusting the AFR do I need the original 02 sensors in place? Can I run a CEL elimanator for the check engine light and adjust the AFR with the PB ECU? Will this setup function properly with out the original O2 sensors in place?

-Thanks
 

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