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Old 08-12-2002, 06:43 PM
mbdoc mbdoc is offline
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Join Date: Mar 1999
Location: Tucker, Ga USA
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There is a thermo-vacuum valve at the front of the cylinder head. Should be red plastic! Only gets vacuum when the throttle is open. Allows vacuum to EGR valve above 50deg C & when the throttle plate is opened, venturi(or ported) vacuum.
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