[chevyguy93]

thanks for the info. I was somewhat thinking of the egr valve, but wasnt quite sure. I already replaced the iac and tps, and it hadnt made a difference. There isnt really much to replace on these cars, so its kinda confusing as to what the problem is. As for cleaning it, i think throttle body cleaner can be used, but i'm not 100% sure. I'll probably take mine apart on the weekend, get a new gasket for it, and clean it good. Hopefully it will cure the problem.