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2003 6.0 butterfly valve

11591 Views 8 Replies 6 Participants Last post by  mk3drift
i have a 03 6.0 and was wondering if removing the butterfly valve has any benefit and if so does this trigger a check engine light?
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There is a throttle plate in the intake manifold. I don't know if removing it will trigger a check engine light, but I do know it was deleted by the time they started making 2004 models.

There isn't a butterfly valve in the exhaust like the 7.3L had.
i just worked on my friends 04 and it had a throttle plate in the intake manifold, it is a later 04 not sure on the build date but it doesn't have an 03 turbo. i was also wondering what it does, i have never seen another diesel with anything in the manifold. i guess it would work good as an air shut off valve
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