IM NEW HERE AND I HAVE JUST RECENTLY BOUGHT A 1996 XJ12 JAGUAR WITH 84000 MILES ON IT. THE EXTERIOR AND INTERIOR IS BEAUTIFUL, BUT WHEN IM DRIVING IT I CAN PUT THE GAS PEDAL TO THE FLOOR AND THE CAR WILL ONLY BE MOVING AT 5-10 MPH AT TIMES I HAVE TO LET OFF GAS PEDAL AND HIT IT AGAIN FOR CAR TO GRADUALLY PICK UP SPEED. I HAVE GOTTEN TRANSMISSION REBUILT B4 I GOT IT REBUILT IT USED TO JERK BACK THEN GRADUALLY PICK UP SPEED. NOW JUST THE JERK IS GONE. IF ANYBODY KNOWS ANYTHING TO HELP ME OUT PLZ LET ME KNOW WHAT IT CAN BE.