Fault Conditions
ECM-3300 through ECM-3350 is set when a corresponding ignition coil signal is faulty. If an open circuit or short ground is present in ignition coil primary winding circuit and RPM exceeds 1500, PCM interprets it as a fault and ECM-33X0 is stored.
Engine will not fire on all cylinders while ECM-33X0 is set.
MIL is illuminated while ECM-33X0 is set.