How to Determine if Water Intake Caused the Car to Stall in Water
2 Answers
Check if the engine oil color appears abnormal. If the oil turns milky white, it indicates water has entered the fuel tank or engine. Inspect whether there is water in the pipelines. This includes checking the air filter and the lower housing of the air filter for obvious signs or traces of water intake. Examine the engine cylinder walls or spark plugs for carbon deposits. You can remove the cylinder spark plugs to check if they are damp.
I've been driving for nearly twenty years and have encountered several instances of hydro-lock. Determining whether water has entered the engine is straightforward: First, do not attempt to restart the engine to avoid further damage from water entering the cylinders. Open the hood and inspect the air filter—if the filter paper is damp or has water droplets, water has been ingested, which can cause the engine to stall. Next, check the dipstick; pull it out and observe the oil. Normally, it should be a translucent light brown color. If it appears milky or has water droplets, moisture has mixed with the oil. Additionally, inspect the exhaust pipe—if water is dripping out, it’s another sign of water ingress. During water crossings, the engine's low position makes it susceptible to sucking in water. Avoid handling it yourself; instead, contact a professional repair shop for towing. Proper handling can save significant costs, and always remember to check water-crossing protection measures during regular maintenance.
