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How Do I Know When to Replace My Spark Plugs?

How Do I Know When to Replace My Spark Plugs?

Hey there, future car experts! Have you ever wondered how to take good care of your car’s engine? One essential part to keep an eye on is the spark plug. They might be small, but they play a big role in making your car go “vroom”! So, let’s learn when it’s time to replace them.

What’s a Spark Plug?

First, let’s understand what a spark plug does. It’s a tiny part in your engine that creates sparks. These sparks ignite the fuel and air mixture in the engine, which is what makes your car move.

Signs it’s Time for a Change:

  • Rough Starts: If your car is taking a while to start, or if it’s shaking a lot when it does, it might be the spark plugs
  • .Bad Mileage: If you’re going through gas too quickly and not getting as many miles per gallon as usual, old spark plugs could be the culprit.
  • Weird Engine Noises: If your engine sounds like it’s coughing, sputtering, or popping, it’s not singing the right tune. Time to check those spark plugs!
  • Loss of Power: If your car feels weaker, like it’s not accelerating as it used to, worn-out spark plugs might be holding it back
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How Often to Replace:

Usually, spark plugs should be changed every 30,000 to 100,000 miles, depending on the type of spark plugs your car uses. Your car’s manual will tell you when it’s best to replace them.

Let the Pros Help:


When you notice any of these signs, it’s a good idea to visit Glenwood Foreign Car.  We’ll check your spark plugs and replace them if needed. Don’t worry; it’s a quick and affordable fix that can make your car run like new.

So, the next time you’re wondering if it’s time to replace your spark plugs, look out for these signs, and remember that a little bit of car care goes a long way!

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At Glenwood Foreign Car,  we proudly serve luxury vehicle owners in Upper Makefield TownshipYardleyNewtown, and Morrisville, PABook a reservation with us now for any European car repair or maintenance!