one or more plugs won't fire
If a defective ignition module, (or bad plugs/ wires) causes a misfire condition, one or more plugs won't fire. The uneven power pulses cause engine shaking.
Check Ignition Coils Check Ignition Coils
ignition misfire
Check condition of the plugs, could also be coil pack(s) going out, if ignition looks good check compression all cylinders
An engine computer does not cause a misfire but merely reports it. The misfire is probably caused by the ignition coil or plug wires
Random multiple cylinder misfire, is when the engine cylinders do not fire in the correct order, and do not do it constantly. There is no particular pattern to it. My experience with this condition is that it is usually caused by a faulty ignition coil that is beginning to burn out. It could also be bad wires pluds rotor or cap
The car may misfire or not accelerate properly
The most common reason for a misfire is the ignition coil that is connected to the sparkplug on top of the problem cylinder.
This is the sensor that determines if the ignition is going to set off right. If something is going wrong, it will not work correctly.
Ignition coil misfire cyl 7
An ignition misfire has been detected
It will have a cylinder misfire or will not run at all.