Cylinder 3 Misfire Fixed Itself?

A cylinder misfire cannot fix itself because misfiring is indicative of an underlying issue with the engine or related components such as spark plugs, fuel injectors, or ignition coils. If the misfire appears to have gone away, it could be that the problem is intermittent or temporarily resolved due to various factors like environmental conditions or minor variations in engine behavior.

If the misfire doesn't recur, it's still advisable to have the vehicle inspected by a qualified mechanic or technician to properly diagnose and address any potential issues before they lead to more significant problems. Ignoring a misfire can cause damage to the catalytic converter and other engine components.