How to Clean or Replace Lexus SC400/LS400 PCV Valve
Most Lexus owners really neglect simple PCV Valve cleaning and maintenance and this can cause some gas mileage loss. That’s why I thought I’d write up a simple DIY tutorial with complete instructions on how to clean or change your own PCV valve. PCV stands for Positive Crankcase Ventilation. Basically, the crank pressure is vented … Read more