How to Clean Spark Plug Carbon Deposits?

1 Answers
VanessaDella
07/29/25 5:25pm
Methods for cleaning spark plug carbon deposits include: 1. Using a spark plug cleaner: Install the carbon-deposited spark plug into the cleaning hole of the cleaner, start the air compressor, and when the pressure rises to 68-70 kPa, open the compressed air valve to allow compressed air to blow sand particles from the collection bag onto the spark plug's skirt. Slowly rotate the spark plug to thoroughly remove carbon deposits and dirt from all internal surfaces; 2. Cleaning with carburetor cleaner; 3. First soak in gasoline, kerosene, or acetone solvent, or boil in alkaline water. After the carbon deposits soften, use a non-metallic brush to clean the deposits on the electrodes and the cavity between the ceramic core and the shell. Finally, dry with compressed air, avoiding high-temperature baking during the drying process.
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