First, is the engine reving higher than a normal idle when you feel it jump? Does it do it all the time? Has the check engine light come on?
Next, the shaking could be a couple things. Are the tires in good condition? Have you had the tire balance checked? When driving, does it feel like it is out of alignment?
Finally, the feeling you get when using your brakes tells me the brake rotors are warped. If they are good enough, you can have them cut. However, if they are too thin, they will need replaced.
Let me know.
Tuesday, April 20th, 2010 AT 10:24 PM