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Monthly Archives: March 2025

Why Replace Spark Plugs If My Engine Feels Fine?

Why Replace Spark Plugs If My Engine Feels Fine?

If your engine feels fine and you’re not seeing a check engine light, it might be easy to overlook routine maintenance like spark plug replacement. After all, if it’s not broken, why fix it—right? But spark plugs are one of those parts that quietly affect your engine’s health and efficiency, even if you don’t notice it day to day. Waiting until your engine runs rough to replace them can lead to poor fuel economy, higher emissions, and long-term wear on more expensive components. What Spark Plugs Do Spark plugs are responsible for igniting the air-fuel mixture inside the engine’s cylinders, creating the controlled explosion that powers your vehicle. Each time your engine runs, the spark plugs fire thousands of times per minute. If they aren’t working properly—even just one—it can throw off the timing and efficiency of the entire engine. Over time, spark plugs wear out from heat, carbon buildup, and general use. Wh ... read more

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