Ignition Failure Sensor - Legnum/Galant 2.5 Twin Turbo 4WD VR4 EC5W EC5A This item detects misfires in the ignition system. If the car refuses to fire then this could be at fault. Also called an Ignitor or or Power Transistor Unit PTU See HERE for where located on Engine. Mitsubishi Part Number MD374437 MD315784 MD354655
