Curious how long your spark plugs will last? This article breaks down what actually affects a spark plug’s lifespan, how to spot wear before it turns into trouble, and when you should make the swap. Get practical tips and real-life examples from drivers who pushed their limits. Find out what happens if you wait too long, and how to get every mile out of your current set. No jargon—just honest, easy-to-grasp advice.
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