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How To Replace Your Spark Plugs | Autoblog Wrenched

Worn out plugs can hurt your car

Spark plugs are the heart of your car's ignition system. If yours are worn out, new ones can dramatically improve your performance. See how to replace them here.

Bracing for EV shift, NGK Spark Plug ignites all solid-state battery quest

World's biggest spark plug company prepares for EVs.

"Ultimately this could make our spark plug and oxygen sensor businesses obsolete."