Mechanics is a fairly logical area. But if there is indeed a phenomenon that is at times complex to explain, it is an unstable idle or loss of acceleration. Whether it concerns a Seat Mii, or any car model. But we are here to help you. Undeniably, the reason can come from many components of the engine block, even electronic. To find the source of your Seat Mii's breakdown, you must follow a strict procedure. But before, we will see the symptoms of a faulty idle.idle-problem-Seat-Mii

Idling problem on a Seat Mii: symptoms

Un unstable idle close to stall . This is undoubtedly the most frequent concern in slow motion. This feeling that the engine may stall while driving at a normal speed, or that the Seat Mii grazes . It even happens that stalling occurs. In this case, it is a real danger for the motorist. In this case, don't wait too long to worry about it. We suggest that you make a diagnosis through the next paragraph. We can also understand that the Seat Mii has a concern for acceleration . No link this time with a concern of low regime. Losses of power and acceleration holes can happen for various reasons. These two symptoms should not be confused. We advise you to read our posts concerning power losses.

Seat Mii: develop a diagnosis to understand the origin of idling

We need to start by performing a number of relatively simple checks, just before we get into a little more detail.

Idle of the Seat Mii: exhaust fumes.

A black smoke comes out of the exhaust. This usually implies that the air and fuel mixture is bad. Or that the air filter is clogged. In both cases, a problem of idling can happen on the Seat Mii. A White smoke comes out of the exhaust. This time also it can be the result of a fault. White smoke is usually water vapor. It is thus possible that it is a concern of admission or of the head gasket.

Checking the engine block components

As we have seen, a problem of idling on this Seat Mii could come from several components. You should therefore take the time to carefully scan the engine block. On the other hand, it is suggested to be extremely careful and not to tweak the connections of the engine block, because that could aggravate the dysfunction or conceal the nature of the concern. We obviously recommend that you go to a garage for a more suitable check. Here are consequently point by point the components to be checked.

  • The first thing to do is check all of the hoses . They can be perforated, or even detached.
  • In addition, the sensors and sensors of your engine block. However, it is complex to check that they are working properly. You can find tutorials on youtube, and that usually requires electronic devices.
  • Perform a check of pressures Hydraulic. Again, pressure checks require suitable tools.

Idle concerns are frequent, however, are complex to diagnose. A visual check on the Seat Mii allows you to have an idea, however it is more advisable not to tackle amateur DIY.