Things to Know About Bad Spark Plugs

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Presentation Description

The spark plugs are one of the most important components of your vehicle. They provide a spark to the internal combustion engine to get it started. If your spark plug malfunctions, then it will be impossible to start your car. Due to the nature of their work, the spark plugs wear out in due course of time. Like every other electrical component in your car, the spark plugs also exhibit certain symptoms when they start to go bad. Go through the slide to know more about the bad spark plugs.

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Presentation Transcript

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Things to Know About Bad Spark Plugs

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A spark plug is an essential component of an internal combustion engine as it is responsible for the spark which ignites the air-fuel mixture.

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It helps in the uninterrupted movement of the car, good combustion, low discharge of gases, improved fuel economy and performance.

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Faulty spark plugs can lead to severe problems in cars and in the worst case will not allow the engine to start.

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The spark plugs do wear out over time, although the actual lifespan varies depending on the usage and type of the plug.

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Signs of a bad spark plug: Here are some of the common signs to look after for detecting a bad spark plug at an early stage and avoid any potential damage to the engine.

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1 3 2 Reduced performance Poor fuel economy Engine issues

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Reduced performance

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Look out for carbon deposits or marks of fuel on the plug as they obstruct the functioning of the spark plug and the plug needs to be restored.

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Poor fuel economy

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The car starts to consume more fuel as the fuel gets wasted when the car fails to receive the right amount of spark at the right time.

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Engine issues

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The biggest indicator of a bad spark plug is the stalling of the engine and sudden drop in the acceleration more often while driving.

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Reasons for spark plug wear out

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There are several factors that play a major role in determining the lifespan of the spark plugs.

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Generally, the spark plugs wear out over time due to aging, but still, it may get damaged earlier due to the following reasons.

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1 3 More vibration Excess heat Oil leaks 2

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More vibration

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Constant wear and tear caused by the engine vibration can loosen the electrical connection at the spark plug.

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This causes an increase in the voltage required to fire the spark plugs which may damage the ignition coil and the spark plug wires.

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Excess heat

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The engine heat can burn the wire insulation and boots and disrupt proper spark plug wire seating and performance.

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The wire insulation, which is damaged by heat can allow voltage to jump and overheated spark plugs can cause the electrode to wear faster.

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Oil leaks

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When leaked oil seeps on to the spark plug, the tip gets contaminated and creates damage and additional wear.

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Carbon buildup on the tip due to dirty injectors or a clogged air filter can also cause premature failure of the spark plug.

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Benefits of replacing a bad spark plug

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The primary benefit of replacing a bad spark plug with a new one is that you get rid of the starting problems.

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New spark plugs provide a lot of other performance benefits such as-

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1 3 2 Optimal combustion Better fuel economy Less harmful exhaust

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Optimal combustion

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The new spark plugs perform well and help to have a fully functioning combustion system by sorting out the performance issues.

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Better fuel economy

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Bad spark plugs can reduce the fuel efficiency and should be replaced at specified intervals to allow the car deliver better fuel economy.

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Less harmful exhaust

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Regular engine tune-ups and change of spark plugs results in cleaner emissions and help to reduce air pollution.

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