MY CAR SHAKES WHEN I START IT..& WHEN I PUT IT IN DRIVE THE RPM DROPS BETWEEN 0 AND ONE SOME TIMES ITS DROPS ALMOST ALL THE WAY DOWN AND GOES UP 2 THE MIDDLE OF 0 AND 1...ALSO WHEN EVER I COME 2 A STOP IT SHAKES I TOOK IT 2 A SHOP GUY SAID ITS THE FUEL PUMP WANTED 2 KNOW COULD IT B THAT OR IS IT SOMETHING ELSE BEFORE I SPEND MY MONEY FOR IT THANX