Saturn Ion Engine Revs Up

2006 Saturn Ion. When I Accelerate To 20mph And Above It Sound As Though My Engine Is Revving. As My Speed Increases The Sound Is Louder....

When The Ac Is On And I Am Stopped The Engine Will Rev About Every 45-90 Seconds. It Also Feels Like The Car Tries To Lurch Forward. If I...

While Standing At Red Lights, I Notice That My Car Is Accelerated As If I Have My Foot On The Pedal. When I Look At The Rpm Dial, It Reads...