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Can you tell just by looking at and EGR valve if its still good? Also, whats the best way to clean one out? Can I just soak it in chemtool for a while? Thanks!
-------------------- 1999 FRC Vette 12.77 @ 110 Posts: 2854 | From: Vacaville Ca, 707 | Registered: Nov 2007
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no you need a vacum pump .put a vacum to it and see if the diaphram moves and it should hold the vacum. to clean the port you can use wire to clean out .you can run the engine with the valve off and blow the junk out
Posts: 62 | Registered: Jun 2009
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