97 chevy cavalier Z24 HOC 2.4 wont stay on in idle?

Okay heres the problem. the car wont start when i try cranking it. Unless i put my foot on the gas at the same time as im trying to starting it. Once i let off the gas the car turns off. So car i've takin my alternator, battery, igntion control modaul in to have it tested. They all passed. I even tried a brand... show more Okay heres the problem. the car wont start when i try cranking it. Unless i put my foot on the gas at the same time as im trying to starting it. Once i let off the gas the car turns off. So car i've takin my alternator, battery, igntion control modaul in to have it tested. They all passed. I even tried a brand new tps senor. didnt make a diffrence. Anyone have any other idea what it cold be. befor the this happend the car has been running like a champ.
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