Bad Coil Symptoms – How to Replace a Bad coil in your Car

Bad Coil Symptoms are symptoms that are worth looking out for. As a matter of urgency, the health of your car depends on the amount of attention your pay to the car. Hence, you have to make mention of taking care of your car, as its bad state can affect you financially.

Bad Coil Symptoms
Bad Coil Symptoms

Have you been having funny feeling bad about your car coil lately due to the performance of the car of late? Do want to know the symptoms that are related to a bad coil in a car? Then you are on the right content.

Bad Coil Symptoms

A coil is an electromagnetic tool that is responsible for transferring electrical current to all necessary parts of a vehicle. The coil can also be called the ignition coil. It operates with the so purpose of taking the low volt current that is normally found in that car batteries, converting it to a much higher voltage.

However, which is more needed in that car for it to start through the spark plug. Well, it should interest you to know that every spark plug in all vehicles has its own coil. Hence, you should always pay close attention and watch out for the one that is bad.

Having gotten a clear knowledge of what the coil is all about, we will be showing some like symptoms of a bad coil in a car.

What are the Symptoms of a Bad Coil in a Car?

How would it know that the coil in my car is bad? Will my car stop immediately when my car coil goes bad while am driving? When the coil goes bad, can I be able to start my car? If this is running through your mind now, stay calm and read to get the answer.

The followings are some symptoms of a bad coil in a car.

  • Engine misfiring.
  • Engine hard to start.
  • Vehicle stalling.
  • Check engine light on/ DTC code.
  • Backfiring.
  • Engine jerking, rough idling, and poor power.
  • Poor fuel economization.

With the above knowledge of the symptoms of a bad coil, we will be telling you how to replace it with a new one.

How to Replace a Bad coil in your Car

I want to change my bad coil but I don’t know how to do it what will I do? Can I replace my coil myself? Who will I meet when I want to replace my bad coil? Well, here are answers to your questions. you can replace your bad coli when you have all need tools and when you are an expert.

Hence, having the knowledge about cars. Below are steps to take when you want to replace your bad coil.

  • Ensure your engine is cool.
  • Apply the emergency brake and open the hood.
  • Disconnect the negative battery cable.
  • Get a vehicle repair guide manual.
  • Remove the ignition coils.
  • Ensure you test each ignition coil with a multimeter. Moreso, you will be able to identify the bad coil with that. thus, remove it when you have found it.
  • Install the new one the old one is out.
  • Check if your work is ok.

With the above, you will be able to replace your bad coli with the good one. With much that is been said, we will advise, that if you are not capable to make the changes, you should seek the help of a mechanic or a dealer(expert). Next, we will be showing tools that are needed for replacing a bad coil.

What are the Tools Needed for Replacing a Bad Coil?

The following are tools needed when you want to make a replacement on a bad coil. Below are tools to get in place.

  • Ratchet set (BUY NOW). This contains a ratchet, sockets, and extensions.
  • Repair manual.
  • Torques wrench which is optional.
  • Safety glasses.

Having known tools that are needed for replacing a bad coil, we will e showing steps to take when you want to make a purchase of a new coil on amazon.

How to Purchase a New Coil on Amazon

The following are steps that are best to be taken when you want to buy a new coil on the amazon website. Below are the steps to take.

  • Open the Amazon website through your web browser on your device or you can click on
  • Use the search bar to search for items.
  • Click on the “buy now” button on the right side of the website.
  • Fill out the given form with your “name”, “address”, and “phone number”. Etc.

Follow all other instructions on the website to complete the process on the site.



Please enter your comment!
Please enter your name here