What Causes Excessive Engine Oil Consumption?
1 Answers
Reasons for excessive engine oil consumption: First, the oil pan is damaged, causing oil leakage. Second, the oil enters the combustion chamber and participates in combustion. The faults leading to excessive engine oil consumption are as follows: 1. Poor sealing at engine body joints, resulting in oil leakage from the lubrication system. Solution: Replace various sealing gaskets or oil seals based on the leakage location to ensure proper sealing. 2. Excessive oil level in the oil pan. In this case, excess lubricating oil is carried into the combustion chamber and burned, causing excessive oil consumption. Solution: Drain the excess oil to maintain the oil level within the standard range. 3. Excessive oil in the air filter. In a wet-type air filter, too much oil can be diluted under hot conditions and easily carried into the combustion chamber by high-speed airflow, leading to excessive oil consumption. Solution: Pour out the excess oil. 4. Damaged, stuck, or broken piston rings that fail to scrape oil effectively. Normally, oil splashed by the rotating crankshaft to lubricate the cylinder walls is scraped back into the oil pan by the piston rings. When piston rings are worn, stuck, or broken, their oil-scraping performance declines or fails, allowing oil to enter the combustion chamber and burn, increasing oil consumption. Solution: Replace all piston rings with new ones.
