Check the PCV valve

Your 96 has internal EGR so you must have the intake gaskets all lined up perfectly, and good intake elbow gasket and a good EGR gasket at the EGR diaphram
Make sure no EGR leaks and again, check that PCV valve, they like to pop out of place and make a whistle
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Will do. I did not remove the egr or the iac i left them in place and just removed the TB and then the elbow with the egr in place and they didt leak before. I know that doesnt mean they arnt now but. I will check that pcv valve and make sure it really is in that hole, if i can get back there ill rtv it and see. I used new gasket on TB and Elbow but i did not rtv them and i ran out of copper coat doing the intake gaskets. i may take those back off and copper coat them after i get new gaskets for egr and iac After i check pcv and ill report back to you fine folks. Thank you all!