* Oil is leaking onto the exhaust manifold. This is the most common cause of dipstick smoke. Oil can leak from a variety of places, including the oil pan gasket, the valve cover gasket, and the oil filter housing. When oil leaks onto the exhaust manifold, it burns off and produces smoke.
* The engine is overheating. If the engine is overheating, it can cause the oil to thin out and burn off more easily. This can also produce dipstick smoke.
* The PCV valve is faulty. The PCV valve (positive crankcase ventilation valve) is a small valve that helps to regulate the pressure inside the engine. If the PCV valve is faulty, it can cause oil to be sucked into the intake manifold and burned off. This can also produce dipstick smoke.
If you see smoke coming from your Honda Accord's dipstick, it is important to have the car inspected by a qualified mechanic as soon as possible.
