Join Date: Oct 2009
Drives: 2-2000 1-2006ALL SPORTAGES also 96 dodge van to transport dogs and 84 gmc snow plow.
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ORIFICE there is a orifice in the vacuum hose that runs from the back of the valve cover too the air horn. Replacing the hose with out the orifice may cause the engine to suck in to much oil filled vacuum also causing problems with the idle control solenoid,oil in the air horn and hard starting.
I though this to unusable but both my 2000's have one. Hope this helps.