harryb5a4

I have a 96 a4 2.8 Quattro and the engine was running fine I was driving down the road and it died. The car will run but barely. Got the car back to my house. I changed the spark plugs, wires, and coil packs because upon taking out the spark plugs the entire right bank is not firing they were completely black and the drivers side was burning fine. After changing those things the car still will not run right. It has a newer fuel filter and a brand new fuel pump as well. Does anyone have any suggestions of what this could be.