How Do I Fix Code P2433?

How Do I Fix Code P2433? Replacing faulty air injection valve. Replacing faulty one-way check valve. Replacing faulty air injection pump. Replacing faulty pressure sensor. Repairing or replacing frayed, broken, or shorted pressure sensor wiring. Repairing or replacing damaged or corroded pressure sensor connector. What is code P2440 mean? The P2440 diagnostic trouble code is