It was requested I get some data from EScan when doing a P0420, so I am going to put this up here.

2006 Chevrolet Silverado 2500HD 4X4, 6.0 liter engine, MIL On, P0420 stored.

[2006 Silverado 6.0 P0420 CE Graphed Over Idle, Similar data at 2K RPM]

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