Dodge 2011 2500 6.7 4th generation diesel with 120k miles. Starting at 90k miles I started having CEL problems
![2011 dodge 6.7. Has a P2bac CEL for nox/egr deactivated. Then has p2271 for 02 sensor stuck. No noticeable power loss or 2011 dodge 6.7. Has a P2bac CEL for nox/egr deactivated. Then has p2271 for 02 sensor stuck. No noticeable power loss or](https://f01.justanswer.com/xyvlkZXm/D2A7E213-42F6-4614-B9B6-20BC62A395A0.jpeg)
2011 dodge 6.7. Has a P2bac CEL for nox/egr deactivated. Then has p2271 for 02 sensor stuck. No noticeable power loss or
![P0471 & p2BAC 2016 6.7 cummins. Boost gauge is maxing at 22 psi of 35 psi. The truck is stock. I just tried to replace P0471 & p2BAC 2016 6.7 cummins. Boost gauge is maxing at 22 psi of 35 psi. The truck is stock. I just tried to replace](https://f01.justanswer.com/65Lz326m/PART_1628968906422.jpeg)
P0471 & p2BAC 2016 6.7 cummins. Boost gauge is maxing at 22 psi of 35 psi. The truck is stock. I just tried to replace
![2011 dodge 6.7. Has a P2bac CEL for nox/egr deactivated. Then has p2271 for 02 sensor stuck. No noticeable power loss or 2011 dodge 6.7. Has a P2bac CEL for nox/egr deactivated. Then has p2271 for 02 sensor stuck. No noticeable power loss or](https://f01.justanswer.com/XDWE711J/96C69F6D-5517-4796-B6D8-549E3C28E8C6.jpeg)
2011 dodge 6.7. Has a P2bac CEL for nox/egr deactivated. Then has p2271 for 02 sensor stuck. No noticeable power loss or
![P2BAC CODE. 2014 RAM 5500, YES, IT DOES NOT RESET. ALSO U010E AND P21C4 CODES, DEF SAYS EMPTY, BUT IT IS TOO FULL TO PUT P2BAC CODE. 2014 RAM 5500, YES, IT DOES NOT RESET. ALSO U010E AND P21C4 CODES, DEF SAYS EMPTY, BUT IT IS TOO FULL TO PUT](https://f01.justanswer.com/jhook1398/2702d7fb-4b65-49e4-b1c8-fc3feae0a238_imagesWLinks+ram+55001.gif)