Apr 27, 2022

How to Change Your Spark Plugs: A DIY Vehicle Maintenance Guide

A time will come when you have to do some vehicle maintenance. One of the most common tasks is changing your spark plugs. Spark plugs wear out over time and need to be replaced for your car to run properly.

Vann York Toyota serving High Point, NC, will walk you through changing your spark plugs step-by-step. Please continue reading to discover how to accomplish this task!

#1: Remove the Old Spark Plugs

It is usually as simple as unscrewing them with a ratchet or socket wrench. Some spark plugs may be more difficult to remove than others, so use a little elbow grease if necessary.

#2: Inspect the Dirty Spark Plugs

Once the old spark plugs are out, please inspect them closely. If they’re covered in oil or carbon deposits, that’s normal and indicates that they’ve been doing their job. 

However, if the electrode (the part of the plug that touches the spark) is worn down or damaged, that’s an indication that it’s time for a new plug.

#3: Clean Out the Spark Plug Holes

Before you can install the new spark plugs, you’ll need to clean out the holes in the engine. This is important because any debris in the hole can prevent the new plug from being seated properly.

You can use a wire brush or an air compressor to blow out dirt or debris. Be cautious that you don’t put anything down the gap that could fall into the engine.

#4: Install the New Spark Plugs

Now it’s time to install the new spark plugs. First, make sure you’re using the correct plug type for your vehicle. This information is usually provided in the owner’s manual.

Start by screwing the plug into the hole by hand. Once it’s tight, use a ratchet to finish tightening the plug. Don’t over-tighten it, or you could damage the threads in the hole. Repeat for all of the spark plugs.

#5: Test Your Spark Plugs for Proper Functioning

Now that you’ve replaced your spark plugs, it’s good to test them to ensure they’re working properly. The easiest method to achieve this is to put your automobile on the road and see how it performs. If the engine runs smoother than before, you’ve done a good job.

If you notice any problems, such as misfiring or poor fuel economy, you may need to adjust the gap on the spark plugs. It is something that you can usually do with a feeler gauge.

Consult your owner’s manual or a professional mechanic if you’re unsure how to do this. 

And that’s all there is to change your spark plugs! You can save yourself a trip to the mechanic and some money with just a few simple tools.

The Bottom Line:

Changing your spark plugs is easy to keep your car running like new. And it’s a DIY project that you can do yourself with just a few simple tools. 

If you prefer to have the professionals service your car, then please browse our inventory for the perfect replacement parts and schedule a service today. We want to help you take care of your car – and yourself – so you can enjoy many miles of worry-free driving. Thanks for choosing Vann York Toyota!