Chevrolet Aveo Engine Hesitate

Ok I Already Am Aware Of The Lemon Law And I Already Have A Lawyer But My Dealership Doesnt Give A Heck To Go Further To Find The Problem...

My Car Jerks And Hesitates For A Couple Seconds When I Put My Foot On The Gas To Accelerate During Low Speeds. As Soon As I Step On The Gas...

Around Six Months Before During Stopping In Traffic Signals After That I Start To Running The Problem Happened Which Is Stalling, Hesitation...

When My Car Is Going Up A Big Hill It Takes A Long Time To Shift Gears And The Rpms Go Up Real High Before It Goes Into Gear . And When...