Ford Taurus P Codes (Powertrain) P0300 - P0399 P0302

I Have Had The Transmission Filtered And Changed..the Same With The Oil...also, I Had New Spark Wires Put In And Spark Plugs..also, A New...

I Have Replaced The 02 Sensor, Injector For Cyl. #2, Wires, Plugs It Was Tune Up Time Anyway. I Just Replaced The Cam Sensor And Sysc. Shaft...

My Problem Started With A Slight Shaking At Idle. It Has Progressivly Gotten Worse So That Now It Shakes While Drivng, But Very Noticibly...