Mechanics is a fairly logical area. However, if there is indeed a concern that is often hard to explain, it is unstable idling or loss of acceleration. Whether for a Toyota Avensis 4, or any type of vehicle. However, we are here to help you. Indeed, the cause can come from many engine components, even electronic. To find the nature of the breakdown of this Toyota Avensis 4, you must follow a fairly simple method. But before, we will see the signs of a slowdown idle.idle-problem-Toyota-Avensis-4

Idling problem on a Toyota Avensis 4: symptoms

Un unstable idle close to stall . This is completely the most common concern in slow motion. This impression that the engine may stall while driving at a normal speed, or that the Toyota Avensis 4 grazes . It happens that the vehicle stalls. In this case, it is really dangerous for the driver. If so, don't wait too long to take care of it. We invite you to carry out your own control via the paragraph below. We can also understand that your Toyota Avensis 4 has a concern for acceleration . No connection in this case with a concern for idling. Losses of power and acceleration holes will be able to happen for various reasons. We must avoid confusing these two phenomena. We advise you to browse our posts concerning power losses.

Toyota Avensis 4: develop a diagnosis to understand the origin of idling

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

Idling of the Toyota Avensis 4: exhaust fumes.

A black smoke emanates from the exhaust. It often means that the air and fuel mixture is bad. But also that the air filter is obstructed. In both cases, a problem of idling can happen on the Toyota Avensis 4. A White smoke emanates from the exhaust. This time also it can be the result of a fault. White smoke is often water vapor. It is therefore plausible that it is a concern of admission or the cylinder head gasket.

Engine components check

As we have seen, a slowdown problem on a Toyota Avensis 4 could come from several components. So you should try to run the engine carefully. On the other hand, it is recommended to be extremely careful and not to tamper with the motor connections, as this can aggravate the breakdown or conceal the nature of the problem. We recommend of course to go to a car repairer for a more suitable 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 also need to review the sensors and sensors of your engine. It is however difficult to control their proper functioning. Tutorials are easily found on youtube, and this often requires electronic devices.
  • Perform a control of pressures hydraulic. Again, the pressure controls require adequate equipment.

Idling problems are common, however, are complex to recognize. A visual check on your Toyota Avensis 4 allows you to get an idea, however it is better not to tackle amateur DIY.