For example, here are three different ignition coil types: There are many different types of ignition coils that you should be aware of when trying to fix an ignition coil problem. Codes P0300 to P0312 indicate misfires, while codes P0350 to P0362 are for ignition coil issues. A mechanic will be able to run an OBD-II check for you, or you can run your own OBD-II check using an OBD-II scanner. The easiest way to understand why an engine light is on is with an OBD-II (on-board diagnostics) check. You should never ignore the check engine light, but as with the other symptoms we’ve discussed, the check engine light can be caused by a variety of different engine problems. If you’re driving with an ignition coil problem, your check engine light will pick this up and turn on.
The check engine light is designed to tell you that there’s something wrong with the engine. Poor fuel economy can also be caused by a failing MAF sensor or a dirty engine filter, so these potential issues need to be ruled out as well.
This also means that fuel leaks can be a symptom of a bad ignition coil. This happens because, when your spark plugs aren’t getting enough power (due to the faulty ignition coil), the system will try to compensate by injecting more fuel.
#Motorcycle bad spark plug symptoms full
If you notice that your car is getting less mileage from a full tank than usual, it could mean that you have a bad ignition coil. As with difficulty starting the car’s engine, there are numerous other issues that can cause misfires that need to be ruled out before you can determine conclusively that the problem is with the ignition coil.Ī faulty ignition coil can also cause the car to stall because of irregular sparks sent by the spark plug due to the faulty coil. This is why increased emissions and the smell of gas coming from the exhaust are symptoms of a bad ignition coil. Misfires are more likely to occur when the engine is under strain, and they can generate emissions. A misfire - which can sound like a coughing or sputtering noise or feel like a jerk or strong vibration - means that one of the engine’s cylinders is not firing correctly. If your engine misfires or stalls when you are idle or when you stop suddenly or accelerate, there could be a problem with your ignition coil. Of course, there are a number of different problems that can make it difficult for an engine to start, so difficulty starting the engine alone isn’t enough to confirm an ignition coil problem. If you have several bad ignition coils, you could have a faulty ignition and difficulty starting your engine. As explained above, most modern engines have multiple ignition coils. Difficulty Starting the Engineĭifficulty starting your car’s engine could indicate a problem with your ignition coil. This is why it’s important to be alert for the symptoms of a faulty ignition coil, which we’ll run through in more detail now: 1. If you have problems with your car’s ignition coils, it could affect your car’s performance. In this blog, we’ll be talking about a singular ignition coil, but most engines have at least four ignition coils, sometimes grouped together in a coil pack. Without combustion, your car isn’t going to start at all! Without the energy provided by the ignition coil, the spark plug couldn’t create the spark that’s needed for combustion. The ignition coil, which is basically a small transformer, transforms the 12 volts from the car battery into the thousands of volts needed. It’s an essential part of the ignition system.Ī car’s battery has a low voltage (12 volts), but thousands of volts are needed to initiate the ignition on the spark plug.
The ignition coil, sometimes known as a spark coil, helps to start a car’s engine. The smell of gas coming from the exhaustīefore we take a closer look at any possible ignition coil problems, it will be useful to learn a little bit more about what an ignition coil is and how it works.A decrease in car power, especially in acceleration.If your car is experiencing any of the problems listed below, you may have a faulty ignition coil on your hands: There are several possible symptoms of an ignition coil problem.
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