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.
    The PCV valve is located on the right side of the engine, between the base of the oil filter and the base of the PCV valve which is located near the front of the e â¦ ngine just below the thermostat housing. Locate the oil filter then look toward the front of the engine.   The PCV valve is located on the right side of the engine, between the base of the oil filter and the base of the PCV valve which is located near the front of the e â¦ ngine just below the thermostat housing. Locate the oil filter then look toward the front of the engine.