I'm having no spark issues well I get spark sometimes. I've replaced the coil ignitor, ecm, distributor, and spark plug wires. When the key is initially turned to start position I get a momentary spark then nothing. When I release the key from start I get another spark, but just for a moment. The car has a 5m-ge engine and all the parts seem to be correct I bought it used and not running. I was told it ran well before but the head was worn out. They replaced the head and now no spark! I greatly appreciate all your help!