
You need to turn off the vehicle and park it in a safe place, then use a plastic tube to completely drain the gasoline from the fuel tank, and thoroughly clean the vehicle's fuel tank and fuel system. It is necessary to clean the fuel system every 30,000 to 40,000 kilometers driven or every three years of use. The purpose of cleaning the fuel system is to prevent blockages in the fuel lines.

If water gets into the oil, I usually first stop the car to check the dipstick for signs of emulsification—where the oil appears cloudy or milkshake-like, indicating a mixture of water and oil. First, turn off the engine to avoid hard starting and potential cylinder damage. Then, check if the oil level is abnormally high, as water ingress can cause the oil level to rise. Next, try moving to another location to confirm it's not a misjudgment. If the water ingress is minor, promptly replace all the engine oil and the oil filter, using high-quality oil to ensure cleanliness. In cases of severe water ingress, such as unusual engine noises or white smoke, immediately call for a tow truck to take the car to a repair shop to determine the cause, which could be due to aging seals or driving through deep water. During regular maintenance, pay attention to periodic oil quality checks and avoid parking in low-lying areas after heavy rain. Remember, safety first—don’t underestimate this issue, as water in the engine can easily damage critical components.

If water gets into the oil, I believe immediate caution is necessary. Having water mixed in engine oil is extremely dangerous because the lubrication fails, increasing friction between parts which may lead to seizure. I would turn off the engine right away and avoid driving further due to the high risk. Then, I'd open the hood to check the oil's color and condition—normal oil is clear or amber, but turns cloudy or foamy when contaminated with water. The simplest solution is to change the oil yourself: drain the old oil and clean the oil passages before adding new oil. However, if you're not familiar with the process, it's better to visit a professional shop for peace of mind. Common causes of water contamination include car wash water entering the engine or driving through deep puddles, so be mindful to avoid these situations in the future. Make it a habit to check the dipstick monthly to detect abnormalities early. After addressing the issue, monitor the vehicle's performance for a few days to ensure no lingering problems remain.

When encountering oil contamination with water, I believe the primary concern is engine protection. Once you notice any abnormalities in the oil, such as water droplets on the dipstick or unusual odors, stop the vehicle immediately and don't push it. The conflict between water and oil in the engine can be severe, ranging from reduced lubrication to cylinder scoring or even engine seizure, leading to expensive and often unjustifiable repairs. You can attempt self-diagnosis: open the engine compartment and let the car sit for a few hours to observe oil level changes; contaminated oil often shows increased levels. Then change the oil, remembering to replace the filter to prevent residue. Don't overlook potential causes like damaged oil seals or cooling system leaks. If simple measures don't work, seek professional help. Pay attention to road conditions while driving, avoid crossing deep water recklessly, and you can prevent similar incidents.


