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Old 07-11-2012, 06:38 PM
oab_au oab_au is offline
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Re: Part no. for vacuum hose?

Quote:
Originally Posted by dannmarr View Post
What exactly would not work properly? What are the symptoms? So far I don't sense anything or have codes coming up.
Update: I'm getting a knocking, shaking feeling while excellerating slightly at around 40-45 mph. Never did this before, could it be the iris check valve?
If the check valve is not there or not working properly, the Inertia system will not work, the butterfly valve in the manifold won't close, and you will not have all the good torque from 2200 to 4000.

Don't know about the knocking/shaking, what have you changed?

Harvey.
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