need help, only running on 2 cylinders. i have code PO350----Ignitioncoil primary/secondary circuit malfunction. plugs and wires are brand new so i replaced the coil and had no luck. checked voltage for the electrical going into the coil and it checked just fine. getting absolutely no spark from two posts on the coil though. same happened with the new coil. dont know where to look now. any help would be appreciated. this is my dd and need it running asap.