Hey you guys thanks for you help. I think I got it. There is a broke bolt where turbo bolts up to exhaust. That I believe is it. I was told that would cause both lower power and bad fuel mileage. Not to mention a little noise. I also found pin hole in one boot.
isx cummins
Discussion in 'Trucks [ Eighteen Wheelers ]' started by tcowartb, May 22, 2009.
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