However, this could also be caused by other factors, such as dirty fuel injectors, faulty oxygen sensors or a bad fuel pump. If you press down on your gas pedal and the vehicle doesn’t react as quickly as usual, your spark plugs could be causing a delayed response. If this continues over time, it can damage your engine and starter and drain your car battery. This may result in a jerky start or the vehicle cranking for a long time before starting. Trouble Startingĭirty, damaged or worn-out spark plugs make it difficult to deliver the spark needed to start your vehicle’s engine, especially in cold weather. This causes the spark plugs to not fire or fire erratically, wasting fuel and increasing emissions. As spark plugs age, the space between the plug electrodes can expand or decrease. If you notice you are getting less mileage per tank of gas, deteriorated spark plugs may be the cause.
When spark plugs are working correctly, they burn fuel efficiently in your engine.
Consistent misfiring may result in poor vehicle performance, low fuel economy, higher exhaust emissions, rough idling, and a damaged catalytic converter. A misfire may sound like a sputtering sound or feel like a sudden loss of power or violent shaking. Engine MisfiresĪ misfiring engine is a big sign that one or more of your spark plugs are not firing properly. At Virginia Tire & Auto, we’ll check on what your car needs for you when you bring your vehicle in for a diagnosis and get you the best price! 5 Signs You Need New Spark Plugs 1. No matter what, you should always replace spark plugs as a set (one for each engine cylinder) and follow the manufacturer’s recommendation for what type of plugs to use (found in the owner’s manual). For example, a copper spark plug won’t last as long as a spark plug made of stronger materials, like platinum or iridium. Most manufacturers suggest getting new spark plugs installed every 30,000 miles, but you may be able to go up to 100,000 miles depending on the type of spark plugs your car has. Fortunately, spark plugs don’t require replacement very often, despite their heavy usage (they ‘spark’ thousands of times per minute!). The condition of your spark plugs can impact the performance of the engine. This is how your car starts, stays powered and runs smoothly. They provide the needed ‘spark’ to ignite the air-fuel mixture in the engine cylinders’ combustion chambers, generating power for the engine. Spark plugs are small electrical devices that trigger combustion in your vehicle’s engine. Keep an eye out for the signs of bad spark plugs and get new spark plugs regularly to help your vehicle perform at its best.
Sometimes all it takes to significantly improve your vehicle’s performance is replacing one of the smallest components-the spark plugs! Small but mighty, spark plugs play a major role in your vehicle.
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