Saturn SC2 Engine Idle Rough

My Stepdaughters Saturn When In Gear (auto) Has A Rough Idle Just Above The Point Of Stall. Ses Light Is On. Codes At Autozone Are Po133...

I Have Been Trying To Find Out Why My Car Does Not Idle Properly. When Cold It Idles Okay And When Driving There Are No Problems. I Changed...

Idle's Rough After Warm While In Gear. In Neutral Or Park, Idle Is Fine. No Engine Trouble Codes Are Set. New Iac Valve Installed And Run...