Posted on 5/30/2025
If your engine has ever stumbled, hesitated, or suddenly felt like it was running rough for no obvious reason, you may have experienced a misfire. Misfires can feel like a quick jolt, a rough idle, or a loss of power—and while they don’t always mean something catastrophic is happening, they shouldn’t be ignored either. A misfire happens when one or more cylinders in your engine fail to complete the combustion process correctly. That means the air-fuel mixture isn’t igniting the way it should, and your engine runs unevenly as a result. Here are five common reasons this might be happening and why diagnosing it quickly is important. 1. Ignition System Problems When people think of misfires, spark plugs are usually the first thing that comes to mind—and for good reason. Worn, fouled, or improperly gapped spark plugs can’t provide a strong, reliable spark, especially under load or during cold starts. Over time, ignition coils can also ... read more