Thread: 5.7 hemi runs but no engine vacuum
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Old 11-24-2013, 09:05 PM   #6
Ed Wright
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Default Re: 5.7 hemi runs but no engine vacuum
Quote:
Originally Posted by ss3011 View Post
Does this engine have an EGR valve?
That's what I was wondering. Internally leaking EGR is a vacuum killer. If it has one see if it's hotter than the intake manifold.
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