i get a code 32 now what i did was check the egr and it does hold vacuum and i cleaned out the passages but im still geting the code 32 I also checked the fuel pressure which was like 30 i believe its supose to be 40-47 i unpluged the fuel presure regulator and all it did was stay the same no matter if it was plugged in or not you think my regulator bad? and the egr frustrating me I have 1990 iroc 350 tpi