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  1. Intake Manifold unknown hose??

    9000 Workshop
    Hey everybody! New to the SaabCentral forums, and I have a probably stupid question, but I can't find anything around that explains to me what I'm seeing. I was cleaning the engine bay on my 1994 9000 Aero recently, and I noticed a small diameter hose leading into the intake manifold that isn't...
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