Fuel Injection Problems of Hyundai Sonata

The contact owns a 2007 Hyundai Sonata. The contact stated that the vehicle failed to start. The failure was recurring. The vehicle was taken to an independent mechanic, who advised that the fuel pump would need to be replaced. The vehicle was repaired. The manufacturer was not notified. The failure mileage was 44,863. Updated 12/17/cn the module burned into the fuel injection. The module was not sufficient to operate the fuel injection process. Updated 12/18/13.

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While driving the car dragged, and when getting off the gas it slowed down really hard and started jerking y badly. Took it to a shop, and the computer read that air was getting in the gas, or something like that. They said it could be a number of things, but it was a manufacturing problem. Finally, I took the car to get fixed, and the mechanic won't fix it because there was nothing wrong with it. What do I do.

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