Symptoms your spark plugs might be bad and need changing

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You need to put all your focus on keeping your vehicle completely maintained if you use your vehicle on regular basis. There are several parts in the vehicle that are supposed to be checked regularly. The spark plug is one of the most important things that are supposed to be checked regularly.


You don’t need to open the spark plug each time you want to check it. There are some basic symptoms that can help you analyze if the spark plug needs to be changed.

The spark plug is used to generate the spark that ignites the fuel mixture and air within the cylinders. The spark plug is the most important thing that keeps your car running on the road. The spark plugs can cause several problems in the vehicle’s engine if you do not get them checked or cleaned regularly.

In this article, we are going to talk about the most important Bad spark plug symptoms so that you can get the plug exchanged before getting into any kind of trouble.

Having trouble starting your car?

Most of the people believe that the flat battery or lack of fuel are some the major reasons that prevent their car from starting. One of the major problems that most of the people overlook is the bad quality of plugs. The vehicle won’t start at all if your spark plug isn’t producing the required spark. The faulty spark plugs can also cause your battery to drain. In this case, you can’t take any risk and you need to change the spark plugs and battery as soon as possible.

Engine makes a rough sound

The engine usually generates around 1000rpm in the stationary position. If your spark plugs aren’t working properly, a jittery and rough sound would be produced by the engine while normally it generates a smooth and constant sound.

In case of faulty spark plugs, the engine would also produce the vibrations in the car. You may have to spend lots of amount in the future if you didn’t get it fixed immediately.

Your engine misfires

The vehicle halts for a fraction of a second when the engine misfires and then it gets back to its usual movement. This indicates that there is some problem in one or more cylinders due to which the vehicle isn’t functioning smoothly. This problem may also lead to the higher levels of emissions.

High fuel consumption

You’ll start experiencing a decrease in the fuel economy of your vehicle if there is some problem with the spark plugs. The excessive fuel consumption indicates that spark plugs are deteriorating and they’re supposed to be changed as soon as possible. Changing the spark plugs is the easiest way of getting rid of this headache. If you didn’t address the problem at the right time, it’ll cost you a lot in the future.

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