 I've had problems with my car for awhile now. When I'm stopped, the entire car shutters, this also happens when I accelerate. My rpm's also jump from 3-6 (I'm not speeding)and when I let off the accelerator to slow down, my speed stays the same with my rpm's going back and forth from 3-6.I called the dealership where I purchased the car and I was told that since my check engine light has NOT come on, they can't help me.They can look at it for $57.00 but the computer has not recognized any problems yet so there is not much they can do. Basically, drive it until you break down. Nice!! I called the corporate office and was told they stand behind what I was told by the dealership!!Fantastic