Mechanics is a fairly Cartesian profession. However, if there is one problem that is often hard to explain, it is unstable idling or loss of acceleration. Whether it concerns a hyundai i40, or for any other type of car. However, we are here to help you. Indeed, the origin can come from a large number of engine components, even electronic. To find out the nature of the breakdown of this Hyundai i40, you will have to follow a strict method. But above all, we will see the symptoms of a slowed down idle.idle-problem-hyundai-i40

Idling problem on a Hyundai i40: symptoms

Un unstable idle close to stall . It really is the most recurring concern in slow motion. This impression that the engine will stall while driving at an ordinary speed, or that the hyundai i40 grazes . It may even happen that the vehicle stalls. In this situation, it is a real danger for the motorist. In this case, do not delay in worrying about it. We suggest that you carry out a check via the following paragraph. We can also understand that your hyundai i40 has a concern for acceleration . No more links this time with a concern for idling. Losses of power and acceleration holes will be able to happen for multiple causes. These two symptoms should not be confused. We advise you to browse our files related to power losses.

hyundai i40: develop a diagnosis to understand the origin of idling

We have to start by performing a number of extremely simple checks, just before going into more detail.

Idling of the Hyundai i40: exhaust fumes.

A black smoke comes out of the exhaust. This usually means 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 this hyundai i40. A White smoke comes out of the exhaust. In this case again it can be the result of a fault. White smoke is usually water vapor. It is therefore likely to be an intake or cylinder head gasket concern.

Engine components check

As we said, a problem of idling on this hyundai i40 can come from several components. So try to inspect the engine carefully. However, it is suggested to be extremely careful and not to touch the engine components too much, as this may amplify the breakdown or conceal the nature of the problem. Of course, we advise you to go to a garage for a more detailed diagnosis. Here are therefore step by step the components to check.

  • The first thing to do is check all of the hoses . These can be perforated, or even detached.
  • You should also consider the sensors and sensors of your engine. It is however complicated to check their correct operation. Tutorials are easily found on youtube, and this usually requires electronic devices.
  • Perform a check of pressures Hydraulic. Again, the pressure tests require adequate tools.

Idling problems are common, however, are difficult to recognize. A visual check on your hyundai i40 will allow you to have a clearer vision, however it is better to not tackle amateur DIY.