i recently bought a 04 aveo not running. it will crank over and sputter for a couple of sec the shut off. ive replaced the crank senc., coil pack, plug wires, cleaned the plugs, checked compression in each cylinder, fuel pressure, and tested the fuel injector senc. we hooked it up to our mac tool scanner and its throwing no codes at all. any advice or tips please help lol? last option is replace motor