Spark plugs play a pivotal role in your vehicle's performance, but can changing them improve fuel economy? Here's everything you need to know.

Your car's spark plugs aren't something you typically think about during regular maintenance, but they do need to be changed.

New spark plugs can also support your engine better, leading to optimal combustion cycles and improved performance. If your car feels a little janky at start up, that can be due to worn spark plugs.

In general, changing spark plugs isn't required as frequently as it once was. New electrode materials like platinum and iridium on modern plugs replaced fast-wearing copper for spark plugs that ...

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