Yesterday I was messing around with my car...it did studder and carry on only when the motor was warm...fine when cold...I been trying to figure this out for the longgggggest time (4-5 months to be exact!) I got new plugs,cap,rotor,used dizzy,used injectors,new fuel filter,new wires,countless times of fuel treatment...it all didnt fix the problem....sooooo I left my car running till it acted up...then went to the EGR valve and lifted up under neat it...It made the same sound it does as its in 2000-3000 rpms...Now...i pulled off the vac line going to it and it runs perfect...a lil boucey idle when I come to a stop...Now...my question is...is my EGR shot?? Emissions around here dont happen...so can i take it off some how?? I also noticed I get better gas mileage now also...How much they go for (an EGR valve)???? Any help would be awesome...But if ur a guy like me and was stumped on something dumb...check your EGR valve if you got one!!!!