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sudden loss of boost
Hey guys well I'm kinda stuck here. 2008 f250 cc fx4 6.4l 300k miles. Went to Oklahoma this past weekend and on my way back I noticed I couldn't climb past 20psi boost. I usually hit around 25 to 29.
I already checked all turbo piping and didn't see any cracks but I do hear a faint whistle at idle.
Only mods are intake and fully deleted with a dpf-r 4.0 stock tune
Any thoughts be for I head to dealer
Last edited by maverickxp; 03-09-2014 at 11:30 PM.