Tag: spark plug

Learn exactly how to check if your spark plug is good, spot bad spark plug symptoms, and use real tips for testing and maintenance.

13 February 2025

Elliot Crenshaw

Spark Plug Basics: What It Does and Why It Matters

A spark plug is a small yet crucial component of the engine's ignition system. It ignites the air-fuel mixture, enabling your car to start and run smoothly. Learn how it works, signs of wear, and tips to keep it functioning efficiently. Proper maintenance can improve fuel efficiency and avoid costly repairs. Understand why keeping your spark plugs in top shape matters for your vehicle's performance.