Vinegar's acidity is what makes it such a good cleaner. Because vinegar is so acidic, it can counteract some icky buildups. It can dissolve away soap scum, brines left by hard water, and glue left behind by stickers.
The PCV valve is a control device which sends partially burned gases that come from the engine's crankcase to the combustion chamber. Its name, PCV means Positive Crankcase Ventilation and is one of the oldest and most used emission control devices.he PCV valve is a control device which sends partially burned gases that come from the engine's crankcase to the combustion chamber. Its name, PCV means Positive Crankcase Ventilation and is one of the oldest and most used emission control devices.
It puts a small amount of liquid under pressure using a pump, which is powered by the engine. When the wheels turn, the power steering control valve (PSCV) directs the flow of the power steering fluid to the proper end of the power cylinder, which results in smoother and safer vehicle handling. However, like all auto parts, your PSCV can eventually wear out and malfunction, resulting in unreliable steering.