Why does my car idle rough but drive smoothly?

If your car shakes at idle but smooths out while driving, it could indicate a problem with the engine or transmission. Common causes include faulty spark plugs, a dirty throttle body, or worn engine mounts. When the engine is idle, these issues can cause vibrations, but as you drive, the increased RPMs may mask the problem. It's essential to address this issue promptly, as it could lead to more significant problems if ignored. Regular maintenance can help prevent situations where your car shakes at idle but smooths out while driving, ensuring a smoother, safer ride.

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