by Stephan Marking

There are many different reasons why you may need to change your spark plugs. If you are wondering exactly why, when, and what your spark plugs do, here are a few facts that may answer a few of your spark plug questions.

Your spark plugs are an important part of starting your vehicle. In fact, the spark plugs are what delivers the spark to ignite the fuel and engine so that it starts. The details of exactly how your spark plugs are perfectly positioned and timed to work are truly amazing when you understand them fully.

If you want to know when you should change your spark plugs it might be smart to start by opening and reading your vehicles manufacturing manual. This is a great guide to help you maintain your vehicle in the best possible condition. Many people follow this guide to help them know when they need to change their vehicles spark plugs.

It might not be the smartest thing to overuse your spark plugs. It may seem annoying to follow the manual on when exactly to change them but it is the smartest thing to do. You will begin to feel a rough idle or loss of energy and performance the longer you wait to change your spark plugs.

Another reason that you may have to change your spark plugs is that they may be fouled, worn, or suffer from bad wires. In order to find out if it is one of these you might have to watch for firing patterns with each of your cylinders. If you’re like me and have difficulty with this it’s always best to take it into a professional to tell you what they see.

As you continue to use the same spark plugs the electrodes will wear. As this continues and gets worse, your car will have to over work to be able to ignite the spark. Soon, your car won’t be able to produce the firing voltage and your spark plugs will need to be replaced.

Sometimes your car might crank but wont start. This could be an indication of your spark plugs wearing out. It’s always best to double check your spark plugs first if this is happening to your vehicle.

Sometimes the problem with your spark plugs is that they simply need to be tightened. This may sounds easy but it is best to be careful while doing this. Make sure that you are checking the manual to make sure that the spark plugs fit the requirements for your car as outlined appropriately.

About the Author: