Mazda Protege Spark Plugs

A spark plug is an essential component of any gasoline engine that requires an electric spark for initiating combustion. Invented more than a century ago and having a common principle of operation, the spark plugs differ by designs and some other parameters like heat rating. Using similar construction to that invented by Robert Bosch’s company in 1898, the plugs were greatly improved in terms of reliability and lifespan. Still, none of the plugs existing now can serve endlessly long. You can change plugs ex-post, as they never fail all at once, and your Mazda Protégé’s engine surely can operate with a misfiring one. But you shouldn’t really try to, as a misfiring plug badly affects the responsiveness of the engine and its power resulting in slow and uneven acceleration.

In addition to that, unburnt hydrocarbons going through the exhaust system do no good to the catalytic converter. Driving a vehicle with this sort of issues for a long time, you can end up with a clogged cat and its replacement, which is quite expensive. Besides that, a malfunctioning spark plug means a higher load on the ignition coil and its reduced service life. It's better to follow the recommended service intervals and replace the plugs all at once. When you need to make the replacement, browse our Mazda Protégé spark plugs collection and select the required products.