Does your car need a spark plug replacement? If yes, this article has got you covered. Before you procced to changing the Spark plug of your car, there are some fundamental things you need to know.
This article would educate you on what a spark plug is, what it does in your car and lots more. To learn more, kindly read this article through to the end.
Car Spark Plug Replacement
The spark plug receives the current from the ignition coil to start the car. A faulty spark plug could stop your car from coming on when you turn on the ignition. So, what is a Spark plug?
The spark plug is an automotive part that delivers large voltage of currents from the ignition coil to the combustion chamber of the engine. This delivered current goes on to ignite the air and gas mixture using electric sparks. With this, the car is able to start when the engine is turned on.
Having known what the spark plug is and what it does, you should read on to learn more about the symptoms of a bad spark plug.
Car Spark Plug Replacement Cost
How much does it cost to replace a bad spark plug? You may be wondering. The cost of a new spark plug is between $50 to $150. This varies based on the make and model of the car.
However, you can contact your local auto care service center to get the estimated cost of replacing the spark plug.
What are the Symptoms of a Bad Spark Plug?
If this question is running through your mind right now, this article has got you covered. When the spark plug in your car goes bad, some of the symptoms include:
- Difficulty in starting your engine.
- Misfiring of your car Engine.
- A high consumption of fuel.
- A heavy feeling when accelerating your car.
- Unusual rough and jittery sounds while the engine runs idly.
When you notice these signs, you should contact your mechanic to confirm if the plug is the cause of it.
How to Change Spark Plugs
Replacing your spark plugs at home is quite easy and can be done with basic repair tools. Don’t know how to go about it? the guide below would help you:
- Park your car on an even surface. Switch off the engine and make sure it cools down before carrying out the operation.
- Carefully disconnect the wire from the negative terminal of the car battery.
- Locate the position of the Spark plug with the aid of your vehicle’s owner repair guide.
- Remove any interfering component from the top of the plug and clean the area with a rag.
- Label the wires connected to the plug.
- Hold the spark plug wires firmly but gently at the boot and disconnect them from the plug.
- If the wire gets damaged in this process, you would have to buy a new wire set.
- Disconnect the electrical connector from the ignition coil.
- Remove the coil on the plug. To do this, use a small screwdriver to hold down the bolt.
- Twist the coil back and front gently to detach it from the plug.
- Unscrew the spark with the spark plug socket.
- Put the new spark plug in place of the old one.
- Replace the coil and also the wires in the order you removed them.
- Test run your car to check if the new spark plug was installed correctly.
With the guide above, you would be able to change your vehicle’s spark plug. You should always change or replace the worn-out spark plugs on your vehicle. This would improve the performance and efficiency of your car.
What Causes Bad Spark Plugs?
After you have replaced your spark plug, you may be concerned about maintaining the new so it would last longer. If so, you should know the causes of a bad spark plug as this would help you take precautions. The cause of a bad spark plug includes:
- Overheating of the engine. An overheating engine is caused by a faulty cooling system of the car. When the engine overheats, the electrolyte in the spark plug may evaporate.
Also, the electrodes of the spark plugs can wear out and this leads to a bad plug.
- An inappropriate gap in the spark plug. Generally, there is a standard space that needs to be maintained between the spark plug’s center and the side electrodes. When this standard is not met, the tip of the plug would be stressed and this wears out the spark plug overtime.
- A flow of engine oil into the combustion chamber of the car also leads to a faulty spark plug. With this, the tip of the plug gets dirty easily and may not be able to function effectively.
- Lastly, a build up of carbon at the tip of the spark plug deteriorates it over time. This build of carbon is caused by dirty fuel injectors, air filter and other factors.
With the knowledge from the points above, you should be able to know how to maintain your car’s spark plugs. This would increase the lifespan and help it carry out its’s function effectively.
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