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How Often to Change Spark Plugs

Unsure of how often to change the spark plugs in your car? You’re not alone! Spark plugs are an essential component of your vehicle, but their maintenance requirements can be a bit of a mystery for many car owners in . Typically, it’s only recommended to change spark plugs every 30,000 miles, but the figure might vary depending on your specific make and model. Your owner’s manual should provide a detailed maintenance schedule that answers “when do I change the spark plugs?”, but in the meantime, you can learn more with our service experts down below.

When Do I Change Spark Plugs? Warning Signs to Watch for

Each time you start your car in , the spark plugs do their job by moving high voltage current from the ignition coil to ignite the combustion chamber. If your spark plugs need service, you may experience the following issues:

  • Sluggish start or total failure to start
  • Engine misfire
  • The engine isn’t running as smoothly as usual
  • Rough idling
  • Your car is using gas faster than normal
  • Struggling during acceleration

Why Change the Spark Plugs Routinely?

Compared to oil changes and tire rotation, the interval for how often to change spark plugs is not very frequent. Why is it important to replace spark plugs at all? Your car will see the following benefits if you replace the spark plugs when necessary:

  • Maintain good fuel economy – Failing spark plugs can affect your fuel economy by as much as 30%! Avoid that loss by replacing the spark plugs when your car needs them.
  • Dependable combustion system – Spark plugs help facilitate the continuous production of combustion, which is necessary for the system to run as intended.
  • Reliable startups – With routinely replaced spark plugs, you’ll get a smooth start every time you need to use your vehicle.
  • Less harmful emissions – In addition to maintaining a good fuel economy, replacing the spark plugs can help your car produce less harmful emissions.

Schedule Spark Plug Service at Dale Earnhardt Jr. Chevrolet

If you’d like to speak with an advisor for a personalized answer to “when do I change spark plugs?” or you need to schedule a replacement, turn to the service pros at Dale Earnhardt Jr. Chevrolet! Contact us or visit us near for assistance.

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$849.00 Document Preparation Fee included in advertised price; this charge represents costs and profit to the dealer for items such as inspecting, cleaning, and adjusting vehicles, and preparing documents related to the sale.
All prices exclude all taxes, tag, title, registration fees and government fees. Out of state buyers are responsible for all taxes and government fees and title/registration fees in the state where the vehicle will be registered. All prices include all manufacturer to dealer incentives, which the dealer retains unless otherwise specifically provided. Dealer not responsible for errors and omissions; all offers subject to change without notice; please confirm listings with dealer.
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*Available toward the purchase or lease of all 2021/2022 Silverado 1500 Crew Cab pickups, most 2021/2022 Blazer, Equinox, Trax and Trailblazer models, and most 2021 Traverse, Malibu and Spark models. Not available with some other offers. Price does not include tax, title, or dealer installed options. Please see Hendrick team for details. Take new retail delivery by 1/3/22.

 

*Well-qualified customers who purchase a new, used or certified preowned vehicle, 4 model years or newer with less than 60K miles between November 1, 2021 and January 4, 2022 and finance through a participating dealer and Ally have an option to make no monthly payments for 90 days. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other Ally financing offers. Subject to maximum term limits. Dealer participation required. Not available to Pennsylvania residents, see your dealer for details. Must take retail delivery by January 4, 2022

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Main 850-692-6302 Sales 850-692-6302
3127 W Tennessee St
Tallahassee, FL 32304
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Main 850-692-6302 Sales 850-692-6302
3127 W Tennessee St
Tallahassee, FL 32304
Glovebox
Dale Earnhardt Jr. Chevrolet 30.4578, -84.3502.