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Working spark plugs burn fuel efficiently in the combustion cycle and helps your vehicle achieve a higher fuel economy. And engine misfire is traditionally classified by Intermittent sputtering sounds from the engine and, if left too long, can lead to an increase in the exhaust, decrease in engine power, and a drop in fuel economy. However, in some cases, a spark plug wire, or the tip of the wire can be damaged. Bad spark plugs may cause a long crank time and may even prevent the vehicle from starting at all if the sound of your engine is rough, jittery, or vibrating when idling, that a cylinder misfire may be the issue.Īn engine misfiring can be due to an issue in the ignition system or a sensor malfunction. However, if you are sure you’re not experiencing issues with your battery, it could be a sign your spark plugs are worn. The engine’s ignition system has multiple individual components, and the battery can be a number one culprit to difficulty starting your vehicle. Listed below are a few common symptoms your spark plugs are damaged or worn out: Having knowledge of spark plugs and whether they are damaged can result in quick repair and save on costly expenses. However, some newer cars and trucks have advanced ignition systems that make spark plug replacement unnecessary. Most manufacturers suggest that spark plugs are replaced every 30K to 50k miles. Similar to motor oil, fuel, and air filters, spark plugs require regular maintenance to keep your vehicle running strong. Good quality spark plugs will help with your fuel efficiency, while bad or failing spark plugs won’t even start your motor. Spark plugs transmit an electrical signal that’s sent from the ignition coil to create a spark that heats the air-fuel mixture inside the combustion chamber.
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Spark plugs are a critical component of your vehicle’s internal combustion engine.