Q: my car is stalling at red lights

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i have had 7 codes come up and then completely go away, p01490,p0131,p0030,p0455,p0430,p0505,and p0457. I checked my ecm connectors and sprayed with contact cleaner, have a brand new iac valve. im afraid its my ecm. but is there anything else that can cause these codes to pop up and have it stalling? if it helps I can keep my car from stalling by stepping o the gas

My car has 87000 miles.
My car has an automatic transmission.

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