I have a 94 electric ezgo that acts like a gas engine missing out.It has never stoped going. It is just jerky when going all out,and I think slower then it should be. Batteries are new and I have tightened every connection on the cart.It does'nt make any weird noises when acting up.I called a local shop to ask if it sounded like a speed controler,They said when there bad it wont run at all. Any Ideas out there?