Q: Q: Mass air flow sensor

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My car will be running fine and then it will suddenly jerk once or twice and then shut off, but then it starts back up afterwards. Why is it doing this? The fuel pump has been recently replaced. I did take it to a shop and they said it could be bad fuel, which led me to buying stuff to put in the gas tank to clean it and then it was fine for a month and then out of nowhere it starts to jerk once or twice and then it may shut off when I stop the car.
My car has an automatic transmission.

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