97 honda accord sputtering and dying?

I have a 97 honda accord 4 cylinder. Recently it was getting hot and the mechanic fixed it by putting in a new radiator. About 3 days later it started sputtering like it was out of gas but it isnt and then it would die. The rpm will fluncuate. Im getting a code for oxygen sensor but thats always been and then a code for egr valve. I changed the egr valve, and spark plugs. I found a coolant leak but idk if that would cause the car to sputter and die?

Read more: 97 honda accord sputtering and dying?