 The car ran great when I bought it in 2003. It had a relatively smooth ride, and could accelerate pretty fast. The problems started in 2006. First the RMPs would jump up pretty high when at a complete stop. I almost hit another car the 1st time it happened. I took it to the dealership, and they said I had voided my warranty by off roading. The most my car had seen of the wild was a gravel driveway. I took the car to a mechanic after that he looked at it and tried to fix the problem. I made it about 15 miles before it started again, but this time, I started hearing a loud metal banging metal noise.  I called the mechanic back and they told me to bring it back ASAP, and not to drive it, but ha