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2023

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The car cannot be restarted after being flooded and stalling. What should be done before starting?

Source:

Wondee Autoparts


In summer, there is a lot of rain, and there are often cars that are flooded. Some are parked there and flooded, while others are driving. Today we will mainly talk about situations where the engine stalls due to flooding while driving. There is standing water ahead,

In summer, there is a lot of rain, and there are often cars that are flooded. Some are parked there and flooded, while others are driving. Today we will mainly talk about situations where the engine stalls due to flooding while driving. There is standing water ahead, and everyone can see it, but they don't know the depth of the water. Some drivers may rush over, and if the water is too deep, they may drown and turn off the engine. Once the engine is turned off, regardless of the cause, it should not be restarted rashly. Because once the engine is flooded, it can cause significant losses, which are also unnecessary and can be completely avoided. What else can we do besides call for rescue? Can you handle it yourself?

       flooded and stalling (1)

    If you know how to replace spark plugs and have tools to remove them, you can handle them yourself without calling for help. The waiting time for rescue at this time should be long and the cost should also be high. Generally speaking, when you see water ahead, you drive slowly. Even if the car is flooded and stalls, the water ingress is either mild or not significant. There won't be any problems in other areas, such as the cabin, gearbox, engine computer, etc., and there won't be any water ingress. At this point, as long as there is no water ingress in the cylinder, it can be determined whether it can be restarted. If it can be started, it can be driven away directly, and there is no need for maintenance in other areas.

       flooded and stalling (2)

      Firstly, we open the box of the air filter and take out the air filter to see if it has been soaked in water, as water needs to pass through the air filter before entering the engine. Many people will replace the air filter, and the air filter in most cars is also relatively easy to remove, which most people can do. If there is a lot of water on the filter element, it is wet and dripping when taken out, it indicates that the engine must have entered the water. If the filter element is only very damp and there is not much water on it, it indicates that the engine has not entered the water. The reason for stalling is that a small amount of water has reached the air filter and is blocked by the filter. At that moment, the amount of air entering is very small, resulting in stalling. In this case, there is no need to do anything else, and starting the car again is not a problem.

       flooded and stalling (3)

    If there is a lot of water at the filter element, the engine must have already been filled with water. At this point, we should remove all spark plugs and start the ignition. Even if there is water in the cylinder, due to the removal of the spark plug, as the piston moves upwards, water will still be squeezed out of the spark plug hole, so as not to damage the engine. Ignite it two or three times, the water can be completely drained, and then install the spark plug to start it normally. The wet air filter cannot be installed anymore, and a new filter needs to be purchased for installation. If there is no tool to remove the spark plug in this step of operation, it cannot be completed by oneself and can only be called for rescue.

       flooded and stalling (4)

There are two more things to note: 1. If you have purchased water related insurance, do not handle it yourself after the car is flooded and stalls. First, report to the insurance company and then call for rescue directly. Because after being flooded and turned off by a large amount of water, even if it is not restarted, there is still a possibility of engine damage, but the probability is very small. If the engine is damaged, insurance can come in handy. Handle it casually, and if not handled properly, the insurance will refuse to claim. 2. If water not only causes the car to stall, but also other areas to be flooded, such as the car compartment being flooded, the water has already submerged the entire engine, etc. So we can't handle it ourselves. We should first report the case to the insurance company and then directly call for rescue. You can report a case even without buying water related insurance, using car damage insurance.

From: WONDEE Autoparts 2023-12-27

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