You have no idea why your Volkswagen Polo has been stalling on its own for no obvious reason? It gets annoying very quickly, specifically in the morning before leaving for work. In addition, this may eventually be a sign of a more sensitive problem than that. In this article, we will try to discuss the different potential causes so that you can identify and better understand it.
If this should happen at higher speeds, do not take any risks. Contact a professional.
First of all, ask yourself if you have changed your habits towards your gas station. Have you changed recently and is this matches with the failures you describe? This is unlikely to be the reason, but it has happened before that the fuel you take for your Volkswagen Polo has been in contact with impurities or water, making the mixture much less compatible with your engine. This remains a relatively rare case.
If this is cleared of cause, let us search at the other probable causes, first of all of the electronic side.stalls-by-itself-volkswagen-polo

1: Electronic cases for a Volkswagen Polo that stalls

Your MCU box, which handles a large amount of calculations within your Volkswagen Polo, may be defective, and as a result send incorrect data to your engine, making it unable to run properly. Another box, the BSI (Built-In System Interface). This one has a more complete function in your vehicle, as a centralizer of information sent by the various sensors of your Volkswagen Polo. It plays the roles of administrator , safety system, diagnosis, driving assistance, etc.. Let’s compare it to an exchange and regulation platform, such as an airport control tower. These two boxes are vital for the proper functioning of your engine, so it is essential to monitor them for your Volkswagen Polo.

Still on the electronic part, the alternator. This supplies electrical power to your motor. If this is insufficient, your engine may not run properly and stop.
Keep in mind that a simple deterioration of a wire, connection or component may have an impact on your whole Volkswagen Polo.
Here is a non-exhaustive list of electronic factors that could cause you concern about your Volkswagen Polo. From now on, let’s try to see the mechanical failures.

2: Mechanical causes on your Volkswagen Polo

First of all, just think that dirty equipment can cause you problems when the solution is simple. Try to take a brief tour of your Volkswagen Polo to see if everything is in good condition in terms of cleanliness. Example with a filter, pressure regulator or injection pump. Regular maintenance can significantly maximize the life of your vehicle.

After that, an vital part of your Volkswagen Polo, the idle actuator. It regulates the engine speed of your Volkswagen Polo, which must be in line with the speed at which you drive.
If he is unable to do his job without error, the engine will be impacted and consequently could stop if he considers that a risk appears.
Keep in mind that the causes of a Volkswagen Polo that stalls by itself can be very simple (e. g. parts fouling) and that it is not necessarily required to call a garage because you may sometimes have to pay more than required for your Volkswagen Polo’s breakdown. Be autonomous, at least to get an idea of what is going on, and as long as you consider that the failure is not manageable alone after numerous searches, then call on a professional.

In the event that you have any additional questions about the Volkswagen Polo, do not hesitate to consult our Volkswagen Polo category.