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Old 05-22-2020, 06:47 PM   #2
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bobxyz's Avatar
Join Date: Aug 2014
Location: Boulder CO

Try a bicycle pump to the gauge to make sure it's actually working, and somewhat accurate. Most anywhere off the intake manifold (on the manifold, not the throttle body before the butterfly) should show boost unless there is none (something leaking a lot). You're not teeing it off after the one-way valve for the hvac, are you?
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