I have a 83 Toyota with a 22r I changed the plugs and wires and noticed the previous owner has cross threaded the #1 spark plug into the head. it had about two threads left so I installed the plug to see what would happen and it blew the spark plug out of the engine. I put in a heli coil and new plug and now the truck turns over but wont crank.. What could be the problem? Coil pack??