180° Interval Difference Method, 720° Interval Difference Method
Transform the time needed for crankshaft movement from BTDC65° to BTDC10° into revolution. As the following, regard the revolution as MNX0. And then regard the former revolution as MNX1, the second former revolution as MNX2, and the third as MNX3, etc.
Use the detecting method below for misfire patterns, and judge misfire occurrence when the result calculated from the formula is out of threshold value.