Mitsubishi Forum - Mitsubishi Enthusiast Forums - Loud Knocking

Hey guys need some big help here. I have a Lancer Cedia 2001. Problem #1. Whenever the car is started and put in drive the engine makes a very high rev and aggressively "pulls" forward. Problem #2. Whenever the car is in drive but stationary (like in traffic or at stop lights) the car vibrates heavily causing a loud knocking sound around the a/c, radiator area. Its even worst when the a/c unit is turned on. Problem # 3. Whenever I have to move off from a complete stop the car vibrates and virtually stalls especially if the a/c unit is on. In order to avoid this and the loud knocking sounds and vibrating I have to use my left foot to hold the brake while I use the the right foot to gently rev the engine whenever I am slowing down or coming to a complete stop- need some mega HEEEEEELP!!!!