Mechanics is a rather logical area. However, if there is one problem that is sometimes hard to explain, it is unstable idling or loss of acceleration. Whether it's for a Smart Fortwo 3, or any other model of automobile. However, we can help you understand. Undeniably, the origin can come from many engine components, even electronic. To detect the nature of the failure of this Smart Fortwo 3, it will be necessary to follow a strict methodology. But first of all, we will see the signs of a faulty idle.
Idling problem on a Smart Fortwo 3: symptoms
Un unstable idle close to stall . This is undoubtedly the most recurrent problem in slow motion. This feeling that the vehicle will stall while driving at a normal speed, or that the Smart Fortwo 3 grazes . It may even happen that stalling occurs. Consequently, it is a real danger for the motorist. If so, don't wait too long to take care of it. We invite you to make your own diagnosis through the next paragraph. We can also understand that the Smart Fortwo 3 has a acceleration problem . No more link this time with a problem of low speed. Losses of power and acceleration holes can appear for multiple causes. Avoid confusing these two symptoms. We advise you to browse our files concerning power losses.
Smart Fortwo 3: develop a diagnosis to understand the origin of idling
We have to start by performing a number of very easy checks, before going into more detail.
Idle of the Smart Fortwo 3: exhaust fumes.
A black smoke escapes from the exhaust. This generally implies that the air and fuel mixture is bad. But also that your air filter is cluttered. In both cases, an idling problem may appear on the Smart Fortwo 3. A White smoke escapes from the exhaust. This time too it could be due to a disturbance. White smoke is usually water vapor. It is therefore likely that it is an intake or cylinder head gasket problem.
Engine components check
As we have shown, an idle problem on a Smart Fortwo 3 can come from several points. So take the time to run the engine carefully. On the other hand, it is recommended to be extremely careful and not to tweak the components of the engine, because that could aggravate the problem or divert the source of the problem. We obviously recommend that you go to a car repairer for a more suitable audit. Here are the elements to check point by point.
- The first thing to do is check all of the hoses . These can be pierced or even detached.
- You also need to review the sensors and sensors of your engine. It is nevertheless difficult to verify that they are working properly. Tutorials are easily found on youtube, and this usually requires electronic devices.
- Perform a check of pressures Hydraulic. Again, pressure controls require suitable equipment.
Idling problems are frequent, however, are difficult to diagnose. A visual check on the Smart Fortwo 3 allows you to have a clearer vision, however it is wiser not to tackle amateur DIY.