BradleyB Posted January 19, 2022 Report Share Posted January 19, 2022 (edited) Hello I have a 2011 freightliner cascadia with a cummins ISX 450 that I just a complete inframe done. For weeks the shop could not figure out why the boost was so low (only 10psi). Everything is brandnew execpt the turbo which i purchased in March of 2021. I have no power going up any hill. Everything seems to work fine execpt this.. changed the pressure sensor and still the same problem... Anyone have any idea of what this could be? Edited January 25, 2022 by BradleyB Quote Link to comment Share on other sites More sharing options...
Ranger Smith Posted January 19, 2022 Report Share Posted January 19, 2022 Reading some other conversations about low boost . . . Do you have an EGR valve . . . Could be bad or a bad wastegate. Bad turbo Quote Steve and Joy Amateur Radio Operator WZ1T . . . Flex 6600 M, Flex PGXL, Flex TGXL, 2014 Itasca Suncruiser 38Q . . . Lincoln MKX Toad The Kids . . . Yogi the Yorkie passed 10/20/2018. . . Cookie the Chihuahua passed 11/30/2017 . . . Cooper the Aussie Doodle passed 3/10/2020 Abbie and Abel the Doodles . . . Brother and Sister Born 02/02/2020 . . . Lucy the Yorkie . . . and Axel . . .The Bernie Doodle Where We Are Now Link to comment Share on other sites More sharing options...
BradleyB Posted January 19, 2022 Author Report Share Posted January 19, 2022 Egr was disabled before the inframe. Shop says the put back together as it was.. Quote Link to comment Share on other sites More sharing options...
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