Mechanics is a relatively Cartesian field. However, if there is one problem that is sometimes difficult to explain, it is unstable idling or loss of acceleration. Whether for a Renault Dezir, or any other type of car. However, we can help you understand. Indeed, the reason can come from a good quantity of parts of the engine block, or even electronic. To find out the origin of the breakdown in your Renault Dezir, you will have to follow a fairly simple procedure. But first, let's see the signs of a faulty idle.
Idling problem on a Renault Dezir: symptoms
Un unstable idle close to stall . This is undoubtedly the most frequent concern in slow motion. This feeling that the vehicle can stall while driving at a usual pace, or that the Renault Dezir grazes . It may even happen that the vehicle stalls. It is therefore really dangerous for the driver. If so, do not delay taking care of it. We suggest that you carry out a diagnosis via the following paragraph. We can also understand that the Renault Dezir has a concern for acceleration . No link this time with a concern of low regime. Losses of power and acceleration holes may occur for various reasons. These two different concerns should not be confused. We invite you to browse our articles on power losses.
Renault Dezir: developing a diagnosis to understand the origin of idling
We have to start by performing a number of extremely easy checks, just before going into even more detail.
Idling of the Renault Dezir: exhaust fumes.
A black smoke escapes from the exhaust. This usually means that the air and fuel mixture is bad. Or that your air filter is clogged. In both situations, a problem of idling can occur on this Renault Dezir. A White smoke escapes from the exhaust. This time again it may be due to a deregulation. White smoke is usually water vapor. It is therefore possible that it is a concern of admission or of the cylinder head gasket.
Checking the engine block components
As we have shown, a problem of idling on the Renault Dezir can come from many elements. Take the time to inspect the engine block carefully. However, it is advisable to be extremely careful and not to tamper with the engine block connections, as this may aggravate the problem or conceal the cause of the problem. We obviously recommend that you go to a mechanic for further inspection. Here, therefore, 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.
- You should also check the sensors and sensors of your engine block. It is nevertheless complex to control their proper functioning. You can find tutorials on youtube, and it usually requires electronic devices.
- Perform a check of pressures Hydraulic. Again, pressure checks require appropriate tools.
Idling problems are common however are difficult to recognize. A visual check on the Renault Dezir allows you to have a clearer vision, however it is wiser not to tackle amateur DIY.