6.9 question

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May 11, 2008 | 10:08 PM

CoachRobb

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From: THE SOUTH

6.9 question

my 6.9 is low on power under load very slow what should I be lookig for or what tune up things should I do

May 11, 2008 | 11:05 PM

tbone91

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First check the air cleaner and make sure it is clean.

Do you see any black smoke when you get on it? Does it knock when cold and quite down after it warms up a bit? How old is the fuel filter? Are you running any fuel additive?

What year? Turbo? ...