WD-40 Multi-use Product is ideal for cleaning spark plugs. Spray WD-40 Multi-use Product on a microfiber cloth and rub over the spark plug. You can even spray WD-40 directly on the spark plug & then wipe it down using a soft, clean cloth.
Lubricate Spark Plugs & Other Parts
For part of your car repair and maintenance, you can use WD-40 to remove carbon residue, and keep moisture away from spark plugs and spark plug wires.
If the spark plug is only lightly soiled, you can try cleaning it with sandpaper. You can start by removing any debris on the outside of the spark plug. Next, use 220-grit sandpaper to gently sand away buildup - use a light touch, as you don't want to damage the metal.
A brake cleaner can clean many car parts — including spark plugs. Spray the brake cleaner on the plug, including threads and spark plug holes. Then wipe it off with a clean cloth to remove any remaining gunk. If need be, you can use the brake cleaner and wire brush collectively to deal with stubborn filth.
Spray WD-40 multi use product
Now, it's time to degrease the engine. Use WD-40 and spray the entire greasy engine compartment with it. Remove the grease and grime with water and rinse it off. Depending on how dirty your engine is, you can also use a small brush to remove the grease for the hard-to-reach parts.
Spray the firing end with a quick-dry cleaner such as fuel injector cleaner or brake cleaner. Let sit 10 minutes. Use a wire brush to clean off any deposits that have loosened. Blow off the plug and firing end with an air compressor or can of compressed.
One of the benefits of cleaning your car's spark plugs is that they can help improve your car's performance. If your spark plugs are dirty, they can cause misfires, leading to a loss of power and decreased acceleration.
However, if you wish to deep clean your spark plug , ingrained dirt can be removed using a wire brush . Be careful when doing this, as some abrasive brushes can damage the spark plug electrodes and compromise performance.
Don't only spray it on the exterior body of the vehicle, but also spray it well on the underside of the car which is more prone to getting rusty. With a coat of WD-40, your car will remain free from the trouble of rust and the difficult methods to get rid of it.
According to the company, WD-40 is safe to use on electronics as it is a safe, non-conductive spray. It will not damage electronics, but you have to be careful not to let it get inside devices that produce excessive heat as WD-40 is flammable.
Soft, black, sooty dry deposits on plug indicate carbon fouling. Carbon fouling is an indication of a rich air-fuel mixture, weak ignition, or improper heat range (too cold).
Blisters on the insulator tip, melted electrodes, or white deposits are signs of a burned spark plug that is running too hot. Causes can include the engine overheating, incorrect spark plug heat range, a loose spark plug, incorrect ignition timing or too lean of an air/fuel mixture. The spark plug should be replaced.
Acetone is the most commonly used solvent for dissolving and suspending carbon.
WD-40 Specialist® Cleaner & Degreaser is a water-based, non-flammable, non-aerosol cleaner & degreaser with a unique bio-solvent formula engineered to be powerful yet safe for sensitive surfaces.
WD-40 is a cheap and accessible way to remove oil stains, as long as you act quickly. First, you'll need to clean up any excess spilled oil. Paper towels are fine for this, but make sure to consult your local laws for motor oil disposal.
Mix 1 cup of distilled white vinegar, 1/4 cup soap, 1 tablespoon of baking soda, and a couple drops of lemon juice/essential oils. Combine all of these in a bowl and add water. This combines to create a spray to coat your engine. However, some people prefer a thicker vinegar engine degreaser.