Spark plugs are an engine element, the proper operation of which affects the operation of the engine, and therefore the vehicle. The uninterrupted operation of these units ensures that there are no gaps in the starting system and, as a result, proper power, as well as normal fuel consumption.
Replacing spark plugs on a Toyota Corolla is a periodically necessary procedure. The car owner independently decides which parts to use - original parts or budget analogues. As a rule, updating the ignition elements on your own is not difficult, Corolla is no exception in this regard.