Signs of Bad Spark Plugs

row of spark plugs

 


Spark plugs are small, but crucial components that keep your car running smoothly on the Omaha roads. That’s why it’s so important to know the signs your spark plugs are failing and act promptly if you notice something is wrong. Take a look at some of the most common signs of bad spark plugs with Sid Dillon Buick of Lincoln, and visit our service center to keep your car in great shape.

What is a Spark Plug?

Your engine needs fuel, oxygen, and a spark to generate power on your Beatrice commutes. A spark plug is responsible for creating that spark from the fuel and oxygen in the cylinders of your engine. Though spark plugs will last a long time, they will need to be replaced eventually. That’s why it’s vital to learn the signs of bad spark plugs.

What are Signs Your Spark Plugs are Failing?

So, what are the signs of bad spark plugs? Here are some of the most common red flags that we see at the service department.

  • Engine Misfires: When your cylinders don’t fire properly, you might feel an abrupt jerk when the car starts.
  • Engine Knocking: Your engine can knock or clang when you accelerate because the spark plugs are not correctly igniting the fuel.
  • EngineSurging: Your engine may start and stop unexpectedly while navigating Hickman, which can compromise your comfort and safety.
  • Rough Idle: A rough idle, particular on colder or wet mornings, can be a sign that your plugs are weakening.
  • Stubborn Start: If your engine won’t start or is slow to start, this can get worse over time without a proper diagnosis and resolution.
  • Poor Efficiency: Bad spark plugs can tank your gas mileage, and a simple replacement can bring your car back to peak efficiency.
  • Poor Acceleration: Bad spark plugs can also affect your car’s sensitivity, and poor engine response can lead to poor acceleration.

Schedule Your Service Today

Whether you want a full inspection or routine maintenance, contact us at Sid Dillon Buick of Lincoln or schedule your service appointment to bring your car back to speed. Our expert technicians can diagnose and fix any automotive problems, so get in touch with us.

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Sid Dillon Buick of Lincoln 40.7377, -96.6826.