How to Clean Spark Plugs With Wd40

If your car isn’t starting as easily as it used to, or if the engine is misfiring, it might be time to clean your spark plugs. Over time, deposits can build up on the spark plugs, making them less effective. WD-40 can help remove those deposits and get your spark plugs working like new again.

  • Unscrew the spark plug from the engine using a spark plug wrench
  • Spray WD-40 onto a clean cloth
  • Rub the WD-40 into the spark plug to remove any build-up of dirt or debris
  • Wipe off any excess WD-40 with a clean cloth
  • Screw the spark plug back into the engine by hand until it is snug, then finish tightening it with the spark plug wrench
How to Clean Spark Plugs With Wd40


Can Wd-40 Clean Spark Plugs?

If you’re looking for a way to clean your spark plugs, you may be wondering if WD-40 can do the trick. The short answer is yes, but there are a few things you should know before using this product. For one, WD-40 is designed to displace water and prevent rust and corrosion.

This makes it ideal for protecting your spark plugs from moisture and keeping them in good condition. However, it’s important to note that WD-40 is not an oil, so it won’t lubricate your spark plugs or help them run more smoothly. In terms of actually cleaning the plugs, WD-40 can help break up any build-up of grime or debris that may be causing problems.

Simply spray a little onto the affected area and let it sit for a few minutes before wiping away with a clean cloth. You may need to repeat this process a few times to get the best results. Just remember that WD-40 is not a replacement for regular maintenance and care of your spark plugs.

Be sure to follow the manufacturer’s recommendations on how often to clean or replace your plugs.

What Can I Use to Clean Spark Plugs?

Spark plugs are an essential part of a car’s engine, and over time they can become dirty or fouled. This can cause the engine to misfire or run less efficiently. Fortunately, there are a few ways to clean spark plugs and keep them in good condition.

One way to clean spark plugs is with a wire brush. This will remove any debris or build-up on the plug. Be sure to use a brush that is designed for cleaning spark plugs, as regular wire brushes can damage the delicate ceramic material.

Another way to clean spark plugs is by using compressed air. This will blow any dirt or debris out of the plug without damaging it. Finally, you can also use a commercial cleaner specifically designed for spark plugs.

These usually come in aerosol form and can be sprayed directly onto the plug. Follow the instructions on the cleaner to ensure that it does not damage the plug. With a little bit of care and attention, you can keep your spark plugs clean and working properly for years to come!

Can You Clean Spark Plugs With Brake Cleaner?

You might be surprised to learn that you can clean spark plugs with brake cleaner. This common household product is actually quite effective at cleaning away built-up deposits on your spark plugs. Here’s how to do it:

1. Remove the spark plug from the engine. 2. Spray the brake cleaner onto the plug, making sure to coat all of the surfaces evenly. 3. Let the cleaner soak in for a few minutes before scrubbing away at the deposits with a wire brush or similar tool.

4. Rinse off the plug with water and re-install it into the engine. If your spark plugs are particularly dirty, you may need to repeat this process a few times before they’re completely clean. But using brake cleaner is a quick, easy and affordable way to get rid of those pesky deposits!


If your spark plugs are starting to look a little dirty, you can clean them up with WD-40. Just spray some WD-40 onto the plugs and let it sit for a few minutes. Then, use a wire brush to scrub away any debris.

You can also use WD-40 to remove any oil or grease from the spark plug threads.