Join Date: Nov 2012
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P0490 code after DPF Re-install
I re-installed the dpf and returned my 2012 back to stock. After doing so the check engine light came on. It threw code P0490. It seems to reduce the power of the motor a little but the trucks runs great otherwise.
The code stated something about the egr circuit high. Anyone had this code? I checked the connections and everything. Hoping maybe it was something simple so I wouldn't have to leave it at the dealer.
Thanks for any input.