I have a 1999 Acura TL. We purchased this vehicle when it had around 210k miles on it. We bought a new engine of the same year and model and have driven it for around 20k miles since. I have noticed that when I try to accelerate at a higher rate, the car jerks as much as if you are driving a manual partially incorrectly. Obviously the transmission has been used quite a bit so what can I to fix the jerkyness? And I do not have the money to change the transmission because I'm only a teen.