ISX15 low power after turbo replacment
10-25-2025, (Subject: ISX15 low power after turbo replacment ) 
Post: #2
RE: ISX15 low power after turbo replacment
Do a full EGR tune-up on it and see if some of the power comes back.
info: https://rawze.com/forums/showthread.php?...30#pid7030

After that, monitor the engine with the CT software and see what is in control of the 'CBL_Fuel_state' during a hard pull or when you think its holding power back, and the code(s) it shows will tell you exactly why.
info: https://rawze.com/forums/showthread.php?...6#pid28636


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RE: ISX15 low power after turbo replacment - Rawze - 10-25-2025



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