You have no idea why your Toyota Corolla has been stalling on its own for no obvious reason? It gets annoying very fast, especially in the morning before leaving for work. In addition, this may eventually be a sign of a more sensitive issue 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 modified your habits towards your gas station. Have you changed lately and is this matches with the failures you describe? This is unlikely to be the reason, but it has occurred before that the fuel you take for your Toyota Corolla has been in contact with impurities or water, making the mixture much less appropriate 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-toyota-corolla

1: Electronic cases for a Toyota Corolla that stalls

Your MCU box, which manages a large amount of calculations within your Toyota Corolla, may be malfunctioning, 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 role in your vehicle, as a centralizer of information sent by the various sensors of your Toyota Corolla. It plays the roles of coordinator , 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 Toyota Corolla.

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 basic deterioration of a wire, connection or component may have an impact on your whole Toyota Corolla.
Here is a non-exhaustive list of electronic factors that could cause you concern about your Toyota Corolla. From now on, let’s try to see the mechanical failures.

2: Mechanical causes on your Toyota Corolla

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 Toyota Corolla to see if everything is in good condition in terms of cleanliness. Example with a filter, pressure regulator or injection pump. Regular maintenance can considerably increase the life of your vehicle.

After that, an vital part of your Toyota Corolla, the idle actuator. It regulates the engine speed of your Toyota Corolla, 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 affected and consequently might stop if he considers that a risk appears.
Keep in mind that the causes of a Toyota Corolla that stalls by itself can be very basic (e. g. parts fouling) and that it is not necessarily necessary to call a garage because you may sometimes have to pay more than necessary for your Toyota Corolla’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 Toyota Corolla, do not hesitate to consult our Toyota Corolla category.