I just bought a 2014 Focus SE hatchback with 5 speed manual. 23,000 miles. 2.0 flex fuel version. When accelerating briskly it feels like the front wheels are hopping. It feels like they are out of balance but I have had them balanced twice at 2 different shops. It also feels like the driveshaft is bent. It is pretty noticeable. I have been reading this forum about rear motor mounts and wonder if that is what it is. Any assistance would be appreciated.