did the air thing with the iac and idlescrew now it idles in prk but it goes from 900 down to 650 rpm back n forth on way back down its rough.then starts sounding bettr onway back up. ive got know clue.no codes either.

vacuum leak. You've either got a vacuum hose loose or worn/cracked.

you were right in a way. talked to gm mechanic. told me to see if egr solenoid wires were hooked up right,( i put cadillac egr solenoid on it so i had to change connector) and to make sure i couldnt pull the the rubber ends off the hard vacuum lines. guess what. i didnt even see the pos. sign on the solenoid but it was there. i had them crossed. i was able to pull ends off the vac. hoses. just black taped the crap outta the ends to the vac lines. no more code 32! and it idles great.