I have lumina 2005 and I have misfire problem. When the car in the idle it likes good then suddenly it hestates then come back to be food and like that.I change the spark plugs but still the same. It is like one of the coils is bad but I don't know how to discover it. I have tech 2 scanner but I don't find misfire graphic pr misfire data so I can discover the misfire
can you help me please with that or guide me if there is a way to discover the misfire with my tech 2.