OEM Kia Spark Plugs

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All About Kia Spark Plugs

The engine in your Kia powers your every drive. For it to run right, you need the ignition to work. Without spark plugs, it couldn't, and neither could the car, SUV, or crossover you love run at all. Here's everything you need to know about them.

How Spark Plugs Work

When you either turn the ignition key or tap push-button start on the dash, an electrical current is sent to the spark plugs. They capture that current in their leads and use it to ignite the air-and-fuel mixture in your engine. The engine pistons fire, pump up and down, and turn the crankshaft -- which delivers the power the moving parts need.

How to Spot Problematic Spark Plugs in a Kia

Sadly, any spark plug can go bad. Perhaps the gap between leads has widened too much to produce the effective spark your engine needs. Maybe the plugs have corroded. The thing is, when they lose their ability to fire up your ignition, your engine suffers -- so you're best off replacing them before they fail. Your owner's manual details your recommended mileage, so consult it to determine when you should change them for a new set. Otherwise, you may experience signs of trouble like: