Hi, i was driving my car just fine today when all of a sudden it started jerking. it jerked a lot getting up to about 20mph then it also jerks when i coast at around 45mph. also, today when i was decelerating it just died, check engine light came on, but then it started back up just fine. i dont know if this is related, but last night i disconnected my battery, but everything is connected right again. also possibly unrelated, my catalytic converter needs to be replaced. whats wrong with my car?
My car has 134000 miles.
My car has an automatic transmission.
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