Spark Plug Service
Why Spark Plugs Are Essential to Regular Vehicle Maintenance
When it comes to keeping your car running smoothly, spark plugs often don’t get the attention they deserve. These small but powerful components play a vital role in your engine’s performance, efficiency, and reliability. Replacing them at the right intervals can make a noticeable difference in how your vehicle drives—and how much you spend at the pump.
What Spark Plugs Do
Spark plugs are responsible for igniting the air-fuel mixture inside your engine’s cylinders. Every time you start your car or press the accelerator, your spark plugs create a small electrical spark that keeps the engine running. Without properly functioning spark plugs, your engine can misfire, idle roughly, or struggle to start altogether.
The Impact of Worn Spark Plugs
Over time, spark plugs wear down from heat, carbon buildup, and normal use. As they age, the gap between the electrodes widens, making it harder to generate a strong spark. That means your engine has to work harder to maintain performance—using more fuel in the process.
Common signs that your spark plugs might need replacement include:
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Hard starts or delayed ignition
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Rough idling or engine misfires
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Reduced fuel efficiency
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Sluggish acceleration
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Illuminated “Check Engine” light
How Often Should You Replace Them?
Most modern plugs last between 30,000 and 100,000 miles, depending on the material and driving conditions. Copper plugs typically need replacing more often, while iridium or platinum plugs last much longer. Your vehicle’s owner’s manual will list the recommended interval—but even if your car seems fine, timely replacement ensures consistent performance and prevents long-term engine issues.
The Benefits of Fresh Spark Plugs
Swapping out worn plugs isn’t just maintenance—it’s performance optimization. Here’s what you can expect after a replacement:
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Smoother starts: No more rough cranking or hesitation.
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Better fuel economy: Efficient combustion means fewer trips to the gas station.
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Improved acceleration: You’ll feel a more responsive throttle.
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Reduced emissions: Clean, efficient burns are better for your engine and the environment.
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Longer engine life: Proper combustion reduces stress and buildup inside your cylinders.
Keep Your Engine at Its Best
Regular maintenance is one of the simplest and most cost-effective ways to keep your vehicle running like new. Whether you handle it yourself or visit a trusted auto shop, don’t overlook these small but mighty parts. A fresh set of spark plugs can bring new life to your ride—and save you from bigger repair bills down the road.
Worn spark plugs can cause:
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Engine misfires or rough idling
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Hard starts or delayed ignition
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Reduced fuel efficiency
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Sluggish acceleration
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Illuminated “Check Engine” light
If you notice any of these, it’s a good idea to have your spark plugs inspected.
Oil filters are designed to trap foreign particles suspended in the oil and prevent them from getting to the engine bearings and other parts. Your coolant/antifreeze (mixture of water and antifreeze) is used in an engine cooling system to dissipate heat and maintain the engine’s temperature throughout its operating range. Other fluids (i.e. brakes, steering, transmission, engine cooling and other systems) keep you safe while driving, and present the vehicle from overheating. When these fluids become degraded or are at incorrect levels, damage to other components may occur…so always follow the manufacturer-recommended service schedule.
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Mundelein, IL
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