Toyota Corolla Spark Plugs are an essential component of your car’s ignition system, and they play a critical role in how well your engine runs. Replacing your Toyota Corolla spark plugs at regular intervals can help ensure that your car is running at its best, and it can also help improve fuel efficiency, reduce emissions, and extend the lifespan of your engine.
If you are experiencing any issues with your Toyota Corolla car’s performance or fuel efficiency, or if it is time for a routine spark plug replacement, it is a good idea to have your Toyota Corolla spark plugs checked and replaced as needed.
Why to Change Toyota Corolla Spark Plugs
At first, there are several reasons why you might want to change the spark plugs in your Toyota Corolla:
- Performance: Spark plugs are an essential component of your car’s ignition system, and they play a critical role in how well your engine runs. If your spark plugs are worn out or damaged, it can lead to reduced engine performance, misfires, and decreased fuel efficiency.
- Maintenance: Spark plugs should be replaced at regular intervals to ensure that your car is running at its best. Consult your owner’s manual for the manufacturer’s recommended spark plug replacement interval for your particular Toyota Corolla.
- Fuel efficiency: Worn spark plugs can cause your engine to burn fuel less efficiently, leading to decreased fuel economy. Replacing your spark plugs can help improve your fuel efficiency and save you money on gas.
- Emissions: Worn spark plugs can cause your car to emit more pollutants than it should, which can be harmful to the environment. Replacing your spark plugs can help reduce your car’s emissions and improve air quality.
A professional mechanic will be able to diagnose any problems with your Toyota Corolla spark plugs and recommend the appropriate course of action.
How Often Toyota Corolla Spark Plugs Should be Replaced
The frequency with which you should change the spark plugs in your Toyota Corolla depends on a number of factors, including the specific year and model of your car, the type of spark plugs you are using, and the driving conditions you typically encounter.
In general, spark plugs should be replaced every 30,000 to 100,000 miles, depending on the specific spark plug and the type of vehicle you are driving. Consult your owner’s manual for the manufacturer’s recommended spark plug replacement interval for your particular Toyota Corolla.
There are also other signs that it may be time to change your spark plugs, such as:
- Decreased Fuel Efficiency: If your spark plugs are worn out, they may not be igniting the fuel in your engine as efficiently as they should, leading to decreased fuel efficiency.
- Reduced Engine Performance: Worn spark plugs can cause misfires and other issues that can lead to reduced engine performance.
- Check Engine Light: If your check engine light comes on, it could be an indication that there is a problem with your spark plugs.
- Increased Emissions: Worn spark plugs can cause your engine to emit more pollutants than it should, which can be harmful to the environment.
If you notice any of these symptoms, it may be time to replace your spark plugs. To determine the cause of any issues with your vehicle, it is always best to consult a professional mechanic, as there may be other underlying problems that need addressing.
3 Types of Spark Plugs
There are three main types of spark plugs:
Copper Spark Plugs
People know copper spark plugs, the most common type, for their durability and low cost. However, they have a shorter lifespan than other types of spark plugs and may need replacing more frequently.
Iridium Spark Plugs
Iridium spark plugs, made with a fine wire of iridium, a very hard and durable metal, have a longer lifespan than copper spark plugs. They also withstand high temperatures and perform well under heavy loads.
Platinum Spark Plugs
A small amount of platinum on the electrode helps to extend the lifespan of these spark plugs. Platinum spark plugs are famous for their durability and ability to withstand high temperatures. Platinum spark plugs have a lifespan similar to iridium spark plugs.
When selecting spark plugs for your car, it is important to consider the specific requirements of your engine. As well as the driving conditions you typically encounter. Consult your owner’s manual or a professional mechanic to determine the best spark plugs for your car.
How to Identify Genuine Spark Plugs of Toyota Corolla
There are a few ways you can identify genuine spark plugs for your Toyota Corolla:
- Check the packaging: Genuine spark plugs will usually come in packaging with the Toyota logo and part number.
- Look for a manufacturer’s mark: Genuine spark plugs will usually have a manufacturer’s mark or logo on them, such as NGK or Denso.
- Compare the Price: Genuine spark plugs may cost more than non-genuine spark plugs because they meet the same high quality standards as the original equipment manufacturer (OEM) spark plugs.
- Check the fit: Genuine spark plugs should fit your car’s engine perfectly, without any issues. In this case, If the spark plugs do not fit properly, they may not work as intended and could potentially cause damage to your engine.
- Consult the Car owner’s manual: The owner’s manual for your Toyota Corolla specify the recommended type of spark plugs for your particular car model. Using the correct spark plugs will ensure that your car is running at its best.
If you are unsure whether the spark plugs you are considering are genuine, it is a good idea to consult a professional mechanic or the dealership. They will be able to help you identify genuine spark plugs and recommend the best options for your car.
Aftermarket Spark Plugs for Toyota Corolla
Comparatively, companies other than the original equipment manufacturer (OEM) of your Toyota Corolla produce aftermarket spark plugs. Designers create these spark plugs to fit and function in a variety of different vehicles, including Toyota Corollas.
Generally, there are several advantages to using aftermarket spark plugs:
- Cost: Aftermarket spark plugs are often less expensive than OEM spark plugs, making them an attractive option for those who are looking to save money on car maintenance.
- Availability: Aftermarket spark plugs may be more readily available than OEM spark plugs, especially if you are looking for a specific type or size of spark plug that is not commonly used in your car.
- Compatibility:Aftermarket spark plugs are designed to fit a wide range of vehicles, and they may be compatible with your Toyota Corolla even if they are not made by the OEM.
However, there are also some potential drawbacks to using aftermarket spark plugs:
- Quality: Aftermarket spark plugs may not be made to the same high quality standards as OEM spark plugs, and they may not perform as well or last as long.[/junkie-hightlights]
- Compatibility: While aftermarket spark plugs are designed to fit a wide range of vehicles, they may not be an exact match for your Toyota Corolla. This could potentially cause issues with fit and function, and it could potentially lead to damage to your engine.
Above all, If you are considering using aftermarket spark plugs, it is a good idea to do your research. And choose a reputable brand that has a track record of producing high-quality spark plugs. It is also a good idea to consult a professional mechanic or the dealership to ensure that the spark plugs you are considering are compatible with your car.
Required Tools For Toyota Corolla Spark Plugs Replacement
To change the spark plugs in a Toyota Corolla, you will need the following tools:
Spark Plug Socket
Spark Plug Gap Tool
New Spark Plugs
For Spark Plugs Replacement Here are the Steps to Follow:
1. Locate The Spark Plugs
Basically, in a Toyota Corolla, the spark plugs are usually located on the top of the engine, near the front of the car. You may need to remove a plastic cover which hides the spark plugs to access them.
2. Remove The Spark Plug Wire
Obviously, a spark plug wire connects to each spark plug. Use a spark plug wire puller tool, or gently pull on the wire to remove it from the spark plug. Otherwise, If you are unable to remove the spark plug wire, you may need to consult your owner’s manual for specific instructions.
3. Remove The Spark Plug
Thereafter, use the spark plug socket to loosen and remove the spark plug. You may need to use a little bit of penetrating oil to loosen up the stuck spark plug. Be careful not to strip the spark plug or damage the threads in the engine.
4. Install The New Spark Plug
Use the spark plug gap tool for correct gap between the electrodes on the new spark plug. Similarly, set the gap to the specification listed in your owner’s manual or on the spark plug packaging. Next, install the new spark plug in engine by hand and tighten it with a spark plug socket and ratchet.
5. Repeat The Process For Each Spark Plug
Once you have replaced all of the spark plugs, reattach the spark plug wires. And start the engine to make sure it is running smoothly.
However, it is important to note that the process of changing spark plugs may vary slightly. Depending on the specific year and model of your Toyota Corolla.
Finally, If you are unsure about any aspect of the process, it is always best to consult your owner’s manual or a professional mechanic.