![]() But how to check spark plugs? More on that in a bit after we cover the symptoms. Even though sometimes the misfires will not get reported, so, it is advised that you check the spark plugs. So, whenever you notice a check engine light and codes that indicate misfires, you need to check the problem out as soon as possible. Not to mention that the exhaust will be really loud and there will be pops and bangs all the time. When an engine misfires you will notice how it shakes when it works and there will be ticking noises from the top of the cylinders that misfire. This will result in a situation also known as misfiring. Spark plugs will be broken and will cause premature or delayed ignition of the fuel inside the combustion chamber. Whenever you have a problem like this with your spark plugs and they are not working as they should. ![]() The next symptom in our list that we want to cover before we learn how to check spark plugs is poor acceleration. This is why you need to learn how to check spark plugs. There are a ton of things that could cause this problem. This symptom can be misleading though because this could also indicate a weak battery, a problem with the crankshaft position sensor, etc. The car will simply don’t want to start from the first crank like it should be doing if the spark plugs are good. Well, this situation is mostly associated with continuously cranking the engine until it eventually starts. The car will struggle to start whenever you have a problem with the spark plug. The next symptom that we would want to discuss is the difficulty of starting the vehicle. If you haven’t gotten the check engine light there are also other symptoms that are worth covering before we learn how to check spark plugs. And we are going to cover them precisely in the next chapters before we learn how to check spark plugs. But sometimes the check engine light will not turn on and you will have to rely on some other symptoms. This is why having an OBD2 scanner tool is really good because you will be able to diagnose the check engine light quickly and effectively. ![]() And that is a key area that you need to understand before we learn why spark plugs fail and reading spark plugs. Knowing the symptoms will help you determine when you want to check the spark plugs on your vehicle. Let’s learn more about the spark plug symptoms. Now before we jump into the reasons why spark plugs fail and how to check spark plugs. Now, let’s first go through the symptoms real quick. But we are going to cover that later on when we will learn how to check spark plugs. You just need to learn how to read spark plugs if you want to troubleshoot problems and diagnose them the right way. If one of these spark plugs is not working as it should, you will face a ton of bad spark plug symptoms that we are going to cover next.Īlso, another very important aspect is reading spark plugs. Having properly working coils and spark plugs is essential for your car to perform as it should all of the time. The ignition coils are electrical transformers that are sending a high current to the spark plugs and ignite the fuel. But on more modern vehicles, the spark plugs are connected to the ignition coils which are mounted right on top of the spark plug. In older cars, the spark plugs are connected with wires to the distributor. I bet that there are a lot of people out there who are not into cars and want to learn some of the basic stuff when it comes to these components. Now before we dive into more complex topics such as the bad spark plug symptoms and how to check spark plugs, let’s first cover some of the basics and learn what are spark plugs in general. So, if you want to learn more, follow along. ![]() We will learn how to remove them and read them. After that, we will learn how to check spark plugs. Then we will discuss the bad spark plug symptoms and learn more about what will happen when they fail. And in this article, we are going to help you to learn precisely that.įirst, we are going to learn what are spark plugs and why they are so important. All you need to do is to learn to read them. And frankly, a spark plug can tell a lot of stories. This is why learning how to check spark plugs is really important for you to know if you want to make sure that your spark plugs perform as they should all of the time. But still, there could be spark plug damage and after a ton of miles, the spark plugs will start deteriorating and will make you unable to start your car in the worst case. Having a problem like this with the spark plugs is not that present now the way it was present in the past since modern engines keep spark plugs in fairly good condition. Have you started noticing some weird starting issues with your car and you want to learn how to check spark plugs? If that is the case, then you are at the right place because there will be a lot to cover on this topic.
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