Can bad valve adjustment cause smoke?
Can bad valve adjustment cause smoke? Valve lash adjustment cause oil and smoke??? NO. Oil can get into the combustion chamber two ways: Past the rings or the valve stem seals. Why is my valve cover smoking? As the valve cover leaks, the oil will end up running down the side of the engine and it will get onto the exhaust. As the engine and the exhaust get heated up, the oil from the valve cover will begin to burn off and smoke. When this occurs, you will see smoke coming from under the hood. Can valves cause smoke? The...