CHEVROLET LUMINA TRACTION CONTROL LIGHT

Hi, Will I Have A Low Trac Light That Came On And The Car Want's To Run But Then Stop's It Spit's And Suter's Like Backfire. Dont Know What...

Help! I've Replaced All 3 Coil Packs, Plugs, Wires, Fuel Filter, Catalytic Converter & The Main Computer. I'm Still Getting Codes Qdm 1...