Cleaning the Air Filter with Water: If your car’s air filter is very dirty and you have a bit more time on your hands, you can clean it with water. Then, remove it from the water and shake off any excess, before rinsing it under running water. When it’s clean, place the filter on a clean towel and leave it to dry.Click to see full answer. Similarly, it is asked, can you clean and reuse car air filter?It’s not recommended. If you want to reuse filters, they make a specific washable type. Basically they are oiled cotton.Likewise, can I clean my air filter with soap and water? Cleaning Cotton Air Filters Next, fill a bucket or wash tub with warm water and a mild soap and swish the filter gently around in it to clean out any remaining dirt and filter cleaner. Rinse and repeat. With the filter now free from dirt, it’s time to let it dry. Also Know, how do you clean a car air filter at home? Method 1 Cleaning a Car Air Filter Remove the filter. Open the hood of your car. Vacuum a dry filter. Connect a hose attachment to your vacuum cleaner. Wash a dry filter, if desired. Cleanse an oiled filter. Re-oil a filter, if applicable. Clean out the canister. Replace the filter. Can you drive with a wet air filter?If the air filter is wet, it may interfere with the proper engine performance.. If the wetness is caused by water and it is really soaking wet, it may cause the engine to choke, fuel mixture become rich, etc., depending whether the engine uses a carburetor or fuel injection.