Car engines are not waterproof, so if you must wade through water, all electrical plugs and connectors on the engine must be waterproof.
If water enters the engine, the water will definitely enter the filter element, causing the air intake resistance of the engine to increase and water to enter the combustion chamber, making it impossible for the spark plug to ignite. This condition will prevent the engine from operating normally.
If the vehicle has just rolled, this will cause a stall. And if the engine stalls, do not try to start the engine at that time, as this may cause greater damage. You should seek help while ensuring your own safety.
One million subsidies for car purchases