How Often to Change Your Spark Plugs

Some Glen Arbor drivers wonder how often to change the spark plugs in their Toyota vehicle. While experts generally recommend replacing them every 30,000 miles, it can vary depending on your specific model. Check your owner’s manual for more specific information. Find out more about how often are spark plugs changed below, and contact the Serra Toyota of Traverse City service center if you need help with your spark plugs.

What Are Spark Plugs? 

What are spark plugs? They are one of your ignition components that work by moving the high voltage current from the ignition coil to ignite the combustion chamber as soon as you start your vehicle. Bad spark plugs symptoms can pop up – below, we cover the details of these symptoms.

How Often Are Spark Plugs Changed: Bad Spark Plug Symptoms

If you experience any of these bad spark plug symptoms, it’s essential to have your spark plugs inspected and replaced if necessary. Regular maintenance and timely replacement of spark plugs can ensure your vehicle’s engine operates at its best performance and fuel efficiency.

• Engine Misfires: One of the most common symptoms of bad spark plugs is engine misfires. You may notice that your engine stutters or jerks during acceleration, causing a loss of power and overall rough performance.
• Difficult Starting: If your spark plugs are failing, you might experience difficulty starting your vehicle. It may take multiple attempts to get the engine running, and you may also notice prolonged cranking before ignition.
• Poor Fuel Efficiency: Worn-out spark plugs can lead to incomplete combustion in the engine, resulting in decreased fuel efficiency. You may find yourself visiting the gas station more frequently than usual.
• Rough Idling: A faulty spark plug can cause your engine to idle roughly. The engine may vibrate or shake when the vehicle is stationary, which can be especially noticeable when you are at a stoplight.
• Engine Surging: Surging or hesitation during acceleration can also be a symptom of bad spark plugs. The engine may surge forward and then slow down unexpectedly, making your driving experience less smooth.
• Increased Exhaust Emissions: Faulty spark plugs can contribute to higher levels of harmful emissions from your vehicle’s exhaust. If you notice black smoke or a strong smell of gasoline from the tailpipe, it could indicate spark plug issues.
• Lack of Power: You may feel a significant lack of power or reduced engine performance when driving your vehicle with bad spark plugs. The car may struggle to accelerate or respond to throttle input promptly.
• Engine Knocking: In severe cases, bad spark plugs can cause engine knocking or pinging sounds. This occurs when the air-fuel mixture ignites prematurely, leading to uncontrolled combustion within the engine.

How Often to Change Your Spark Plugs?

In addition to avoiding some of the issues listed above, there are other benefits that can come from regularly changing your spark plugs. Find out the benefits of replacing your spark plugs as part of the preventative maintenance schedule for your new Toyota vehicle:

1. Improved fuel economy – Having a worn-out spark plug can reduce your fuel economy by as much as 30%, and replacing it can help gain that back.
2. Consistent combustion system – Spark plugs allow for the continuous production of combustion and leave your vehicle’s system running as it should be.
3. Your Vehicle Starts Smoothly – Replace your spark plug, and when you turn the key in the ignition, you can feel your vehicle start effortlessly.
4. Less harmful emissions – Replacing your vehicle’s spark plugs can not only help increase your gas mileage but also improve your emissions.

For Your Toyota Needs, Visit Serra Toyota of Traverse City 

So, how often are spark plugs changed? If you are experiencing any of the issues mentioned above, and want to confirm that you need new spark plugs, schedule a service appointment at our service center near Manistee. Our experienced technicians can get your vehicle evaluated and repaired in no time!