How to clean pcv valve

Hello, Dave here, contributing to RepairPal and providing expert advice since 2010. Just replace it. If you're concerned - replace it. I've seen folks use a parts cleaner or carb cleaner spray on it -- but you can't know for sure if it is helpful for not. What is the concern you are having? Beyond all, if you want, you can also locate and reach out to a repair shop near you for guidance -- https://repairpal.com/auto-repair-near-me Click the link or call us at 877-913-1554. We'll gladly find you a certified RepairPal shop in your area.