You have no idea why your Ford Fiesta has been stalling on its own for no noticeable reason? It gets annoying very fast, especially in the morning before leaving for work. In addition, this might eventually be a sign of a more sensitive issue than that. In this article, we will try to talk about 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 Ford Fiesta has been in contact with impurities or water, making the mixture much less appropriate with your engine. This remains a rather rare case.
If this is cleared of cause, let us look at the other potential causes, first of all of the electronic side.
1: Electronic cases for a Ford Fiesta that stalls
Your MCU box, which manages a large amount of calculations within your Ford Fiesta , 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 function in your vehicle, as a centralizer of information sent by the various sensors of your Ford Fiesta . 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 essential for the proper functioning of your engine, so it is very important to monitor them for your Ford Fiesta .
Still on the electronic part, the alternator. This supplies electrical power to your motor. If this is insufficient, your engine might not run properly and stop.
Keep in mind that a basic deterioration of a wire, connection or component can have an impact on your entire Ford Fiesta .
Here is a non-exhaustive list of electronic reasons that could cause you concern about your Ford Fiesta . From now on, let’s try to see the mechanical failures.
2: Mechanical causes on your Ford Fiesta
First of all, just think that dirty equipment can cause you problems when the solution is simple. Try to take a quick tour of your Ford Fiesta 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 essential part of your Ford Fiesta , the idle actuator. It regulates the engine speed of your Ford Fiesta , 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 Ford Fiesta that stalls by itself can be very basic (e. g. parts fouling) and that it is not necessarily required to call a garage because you might sometimes have to pay more than required for your Ford Fiesta ‘s breakdown. Be autonomous, at least to get an idea of what is happening, and as long as you consider that the failure is not manageable alone after different searches, then call on a professional.
If you need more tutorials on the Ford Fiesta , go to our Ford Fiesta category.