How Often to Change Your Spark Plugs

row of spark plugs


One of the questions we often receive from our Kansas City customers is “When do I change spark plugs?” This is critical in maintaining your Chevrolet vehicle, and it is often recommended to replace them every 30,000 miles, however, this is dependent on the type of vehicle you drive. Before changing your spark plugs, you should always consult your owner’s manual to be certain. If you’re still not sure, you can always contact us if you have any questions!

When Do I Change Spark Plugs? 

Let’s spend some time talking about how often to change spark plugs. Spark plugs are one of many components that make up your vehicle’s ignition system. The high voltage current from the ignition coil which then provides the spark to the combustion chamber when you turn the key. Let’s review a few of the things you will likely experience when your spark plugs are ready to be replaced:

  • Slow or no start
  • Engine misfire
  • Engine is running rough
  • Rough idling
  • Poor acceleration
  • High fuel consumption

The Importance of Changing Your Spark Plugs

When answering the question, “How do I change spark plugs?”, you might be wondering why it’s important to change your spark plugs. Let’s check out some of the benefits of changing your spark plugs and working this into your maintenance schedule below:

  • Improved fuel economy – If your spark plugs are wearing out, you could experience 30% less fuel economy on the Shawnee Mission roads. Once they’re replaced, you will be able to take advantage of the maximum fuel economy. 
  • Consistent combustion system – Fresh spark plugs help to promote continuous combustion, keeping your vehicle running properly. 
  • Your Vehicle Starts Smoothly – Once you’ve replaced your spark plugs, your vehicle should start immediately after you turn the key. 
  • Less harmful emissions – You will also experience reduced emissions to improve your overall gas mileage. 

Visit the Hendrick Chevrolet Shawnee Mission Service Center!

Now that you know how often to change spark plugs, come stop by the Hendrick Chevrolet Shawnee Mission service center to keep your vehicle maintained. Be sure to schedule a service appointment with our experienced service technicians, and take advantage of our service specials around Overland Park!

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