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Originally Posted by msyoder
Hey Folks,
Lately (over the last year) my performance has grown worse so I revisted the standard things: preasure lines and SOV to the ADLA are clean, changed the fuel and air filters. Finally I measured the boost and got only 5.5psi max at 4400rpms under full load acceleration. The manual indicates that this should be 11-12psi.
Thanks,
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After you check the obvious, I'd suggest you test the exhaust backpressure. I went through the whole list of potential causes before discovering that the CAT was plugged.
Wray