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Hi,Happy 4th!,Is your check engine lamp flashing, do you notice any change in the runability of the car?
If the check engine lamp isn't flashing the car is safe to drive,the bucking you felt may be caused by a spark plug or ignition wire breaking down,did this happen in damp weather?
The check engine light will stay on a certain amount of ignition cycles if it doesn't detect a problem, you can remove the negative battery cable to clear the light out but if the problem is current the light will come back on
Another option is to go to a auto parts store, they can read the code and clear it with their scanner usually they do this for free if you have one in your area.