What Causes the Wuling Hongguang S to Burn Engine Oil?
2 Answers
Wuling Hongguang S burning engine oil may be caused by reasons such as the selected engine oil having a low high-temperature viscosity value. Here are the detailed explanations: Methods to resolve excessive engine oil consumption: First, check whether there is any leakage on the engine's sealing surfaces. If conditions permit, it is also recommended to measure the cylinder pressure to see if there are any abnormalities. If there are no obvious abnormalities in cylinder pressure, try switching to an engine oil with a higher viscosity grade to see if there is any improvement. For example, if the original new car recommended using 5W-30 engine oil, switch to 5W-40 engine oil, ensuring the quality grade is not lower than the original requirements. Selecting the appropriate engine oil: Choosing engine oil should be based on the engine's requirements for the appropriate quality grade, combined with the driving environment and the vehicle's condition. Older models can appropriately use engine oil with a higher viscosity grade.
I've repaired many Wuling Hongguang S vehicles, and the most common cause of oil burning is worn or deformed piston rings. Over time in the engine, these parts tend to loosen, allowing oil to seep into the combustion chamber and burn. Aging valve stem seals leaking oil is another frequent issue, where oil slips into the valve system. Then there's the PCV valve—if it gets clogged, the crankcase ventilation becomes inefficient, causing oil to be drawn into the intake manifold and burned. Some owners use low-quality oil or neglect timely maintenance, leading to excessive engine deposits that accelerate wear. If you notice blue exhaust smoke or rapid oil consumption, I recommend immediately visiting a professional shop to inspect the piston rings and valve system, and to clean the PCV valve. Regular oil changes with high-quality products and timely maintenance can significantly reduce these problems. Don’t try to save small amounts now only to spend big on engine repairs later.
