Does WD-40 Ruin Spark Plugs? Key Insights and Recommendations
Learn why using WD-40 on spark plugs is not advisable and discover the best cleaning methods.
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Using WD-40 on a spark plug is not recommended as it can foul the plug. WD-40 is a lubricant, and applying it can lead to residual buildup, affecting the spark plug’s performance and causing ignition issues. Instead, use a spark plug cleaner specifically designed for this purpose for optimal results.
FAQs & Answers
- What happens if WD-40 gets on a spark plug? Using WD-40 can lead to a buildup that fouls the spark plug, affecting ignition and engine performance.
- What is the best way to clean spark plugs? Use a spark plug cleaner designed for the job, or consider replacing the spark plug if it's significantly fouled.
- Can I use WD-40 for other engine parts? While WD-40 is a versatile lubricant, it's best to use products specifically designed for engine components to avoid risks.
- How to know if my spark plug is fouled? Look for black soot, wetness, or damage on the spark plug, which indicates it may not be functioning properly.