9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
the car is running rough at idle, only code given was a P0300. I have eliminated spark, fuel, and compression as the cause of the issue by using the activation feature on my tech 2 scan tool. cylinder 1 has a short on the coil when I pull it off, but it seems to be firing fine otherwise. all...