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International Automotive Technicians Network
Re: P0234
Posted to Technical Discussion Forum on 2/19/2020

Gm si says that it can create near 35psi of boost at WOT. I can post the entire si diag for this code if you'd like or email me directly. I would start by power breaking the engine while listening for air leaks.

There is a bulletin for this code PIP5684

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