Can I Use WD-40 to Clean a PCV Valve

Is WD-40 Safe for Cleaning a PCV Valve? ⚠️ No, WD-40 is not the best choice for cleaning a PCV (Positive Crankcase Ventilation) valve. While it can help loosen grime and carbon deposits, it leaves an oily residue that can attract more dirt and clog the valve over time. Why WD-40 Is Not Ideal for…