Lexus RX350 smoke from engine due to split rubber oil line hose on Lexus RX350

Some Lexus RX350 owners report experiencing significant issues related to a split rubber oil line hose, which can lead to severe engine damage due to oil leaks affecting the ground, engine, and undercarriage. When the oil line ruptures while driving, owners may notice warning lights such as low engine oil messages and engine oil pressure warnings, indicating a critical situation. This problem can also result in increased fuel consumption and black exhaust smoke from the exhaust pipe. Additionally, some owners find that valve cover leaks contribute to smoke during engine start-ups. The color of the smoke can vary, with blue smoke potentially indicating a blockage in the crankcase ventilation system, while white smoke with an antifreeze odor may suggest a coolant leak, possibly due to a compromised head gasket or cracked engine block. It is essential for owners to address the issue of a split rubber oil line hose promptly to prevent further engine damage and ensure safe vehicle operation. Regular maintenance and timely repairs are crucial to avoid more significant problems in the future.