Got gas and now showing a p0306 code

Question

I got $20 of gas and with in a hour car started sputtering and hesitating when giving it fuel the engine light would flash now after two days light in on steady. I filled car with 93 octane gas used heet and seafoam

Answer 1

If the problem was the bad gas, and the engine is running OK now, then it may take a few days to clear the code by itself or you could use an OBDII scanner to  clear the code.