My car is only running on 2 cylinders. Cylinder #1 and #4 are not hitting even though the spark plugs are brand new and are gapped, and its still not running with good spark plug wires.The car runs, but it has a lot of power loss and the motor shakes a lot too when I start it up, but calms down if I am reving the engine in park. What could be the problem?all the plug wires are in the correct order.....cylinders 1 and 2 are not firing, running on 2 cylinders