How to Properly Clean Spark Plugs with Electrical Contact Cleaner

Learn the right way to clean spark plugs using specialized electrical contact cleaner for optimal performance.

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Use a specialized electrical contact cleaner to spray spark plugs. This cleaner removes dirt, oil, and other contaminants without leaving residue. After cleaning, ensure the plugs are dry before reinstalling them. Avoid using brake cleaner or carburetor cleaner, as these can leave harmful residues.

FAQs & Answers

  1. What is the best cleaner for spark plugs? The best cleaner for spark plugs is a specialized electrical contact cleaner that removes contaminants without leaving residue.
  2. Can I use brake cleaner on spark plugs? No, avoid using brake cleaner on spark plugs as it can leave harmful residues that may affect engine performance.
  3. How often should I clean my spark plugs? It's generally recommended to clean spark plugs whenever you perform regular maintenance, such as oil changes, or if you notice performance issues.